Embrace ultimate comfort food with this incredibly satisfying Zuppa Toscana Casserole. Imagine all the beloved flavors of the classic Olive Garden soup—crispy bacon, savory Italian sausage, tender potatoes, fresh kale, and a rich, creamy Parmesan sauce—layered and baked to perfection in a single dish. This fuss-free casserole is designed for easy family dinners, promising a hearty and wholesome meal without the endless stirring of soup. Plus, it reheats beautifully, making it an ideal choice for meal prep or delicious leftovers.

Transforming a beloved soup into a comforting baked casserole means less time over the stove and more time enjoying delicious food with your loved ones. This recipe brings a delightful twist to a traditional favorite, making it accessible and enjoyable for even the busiest weeknights. Its layers of flavor and satisfying texture are sure to make it a new family favorite.

👉 For more Italian-inspired comfort, I highly recommend exploring my Spinach Chicken Orzo Casserole for another creamy, one-pan delight, or dive into my family’s all-time favorite Million Dollar Spaghetti Casserole for a truly decadent meal.

👉 If you’re a fan of hearty sausage dishes and crave rich, savory flavors, be sure to check out my Creamy Italian Sausage Pasta for a quick weeknight option, or revisit the original inspiration with my authentic Olive Garden–Style Zuppa Toscana Soup.

Why You’ll Love This Easy Zuppa Toscana Casserole

This Zuppa Toscana Casserole offers all the beloved, comforting flavors of the classic Olive Garden–style soup, but with the added convenience and ease of a baked dish. It’s perfect for those chilly evenings when you crave something deeply satisfying and warming. The thinly sliced potatoes bake up incredibly tender, nestled within a rich, garlicky cream sauce. Fresh kale brightens each bite with a hint of earthy flavor and vibrant color, while the Italian sausage and crispy bacon infuse the entire casserole with big, savory depth. What truly elevates this dish are those irresistible, bubbly, cheesy edges that form as it bakes, creating a golden crust that everyone will fight for.

Beyond its incredible taste, this casserole simplifies dinner prep. The hands-on cooking is minimal, allowing the oven to do most of the work. It’s a fantastic way to enjoy a gourmet-like meal without spending hours in the kitchen. Whether you’re feeding a hungry family or planning a cozy dinner for two with delicious leftovers, this Zuppa Toscana Casserole delivers on flavor, comfort, and convenience every time.

Made With Love,
Julia Pacheco

Simple, Wholesome Ingredients for Maximum Flavor

One of the best aspects of this Zuppa Toscana Casserole is its reliance on simple, accessible ingredients. You won’t need to hunt for exotic items; just classic, budget-friendly staples like meat, potatoes, kale, cream, and Parmesan. These everyday components come together to create something truly special and comforting, proving that delicious meals don’t require complex shopping lists. This approach to cooking offers similar heartwarming vibes to my Creamy Chicken & Egg Noodles, another family-friendly dish built on foundational ingredients.

Main Ingredients (and why they matter for this recipe)

• Protein: High-quality Italian sausage is essential for imparting that signature Zuppa Toscana flavor, whether you choose mild for a gentler taste or spicy for an extra kick. Complementing this, crispy bacon not only adds incredible smoky depth but also a delightful textural contrast. Ensure the bacon is cooked fully until crisp before crumbling to achieve the best results in the casserole.
• Potatoes: Russet potatoes are the star here. Their starchy nature makes them ideal for becoming wonderfully tender and creamy when baked. The key is to slice them very thinly and uniformly, which ensures they cook through evenly and absorb the rich sauce beautifully.
• Vegetables: A diced yellow onion provides a foundational sweetness and aromatic base, building layers of flavor from the start. Fresh kale is crucial for its slightly bitter balance, vibrant color, and nutritional boost. Remember to remove the tough stems for a more pleasant texture.
• Sauce: The heart of the casserole’s creaminess comes from a simple yet robust sauce. Starting with a roux (flour cooked in bacon grease) creates a thick base, which is then gradually whisked with savory chicken broth and luxurious heavy cream. This combination results in a silky, rich sauce that envelops all the other ingredients.
• Cheese: Parmesan cheese plays multiple roles. It seasons the creamy sauce from within, adding a salty, umami depth, and when sprinkled generously on top, it bakes into a golden, bubbly crust that is simply irresistible.

Each ingredient is carefully chosen to replicate the authentic taste and comforting experience of Zuppa Toscana, transformed into an easy-to-make casserole format. The synergy of these components ensures every bite is packed with flavor and satisfying texture.

👉 For quick chicken dinner ideas, consider my Slow Cooker Shredded Chicken, perfect for meal prep, or my flavorful Green Chile Chicken Enchiladas for a taste of the Southwest.

Complete Ingredients List

Gather these fresh and pantry staples to create your delightful Zuppa Toscana Casserole:

• 8 oz uncooked bacon (preferably thick-cut for best texture)
• 1 lb ground Italian sausage (choose mild or spicy based on your preference)
• 4-5 medium russet potatoes, peeled and thinly sliced (a mandoline slicer is highly recommended for uniformity)
• 1 yellow onion, diced (finely diced for even cooking and flavor distribution)
• 1 tbsp minced garlic (about 3-4 cloves, fresh is always best)
• 4 cups kale, chopped (stems removed, packed loosely)
• ½ cup all-purpose flour (for thickening the creamy sauce)
• 4 cups chicken broth (low sodium is preferred for better seasoning control)
• 1 cup heavy whipping cream (for ultimate richness and creaminess)
• ¾ cup shredded Parmesan cheese (plus extra for serving, if desired)
• Nonstick cooking spray (or butter/oil for greasing the baking dish)
• Salt and freshly ground black pepper, to taste

A full printable ingredient list with exact amounts and nutritional information is conveniently available in the detailed recipe card at the bottom of this post.

Zuppa Toscana Casserole Variations & Customizations

One of the joys of cooking is the ability to customize a recipe to suit your taste, dietary needs, or what you have on hand. This Zuppa Toscana Casserole is incredibly versatile, allowing for numerous delicious variations:

• Protein Swaps: While Italian sausage and bacon are classic, feel free to adapt. Swap the pork sausage for ground turkey sausage or a plant-based alternative for a lighter option. Cooked, shredded chicken breast can also be a wonderful addition, or even crumbled lean ground beef seasoned with Italian herbs.
• Greens Alternatives: If kale isn’t your favorite or you prefer something milder, baby spinach is an excellent substitute. Add it towards the end of the sauce simmering or directly to the casserole layers, as it wilts much faster than kale. Other leafy greens like Swiss chard or collard greens (blanched and chopped) could also work for a bolder flavor.
• Cheese Choices: For a sharper, more piquant flavor profile, consider using shredded Pecorino Romano or Asiago cheese in place of or in combination with Parmesan. A blend of Italian cheeses like Fontina or even a good quality mozzarella could also add a different melt and stretch.
• Spice It Up: If you love a little heat, incorporate a pinch or two of red pepper flakes when browning the sausage and onion. You can also add a dash of hot sauce to the cream mixture for an extra layer of warmth.
• Add More Veggies: Boost the nutritional content and flavor with extra vegetables. Sliced mushrooms, diced bell peppers, or even sun-dried tomatoes (rehydrated and chopped) would make wonderful additions. Roast them lightly beforehand to enhance their flavor.
• Dairy-Free Option: To make this recipe dairy-free, use a plant-based sausage, omit the Parmesan, and swap heavy cream for a full-fat canned coconut milk (for creaminess, though it will impart a subtle flavor) or a dairy-free cooking cream. Nutritional yeast can add a cheesy flavor.
• Gluten-Free Option: Ensure your chicken broth is gluten-free. For the flour in the roux, substitute with a gluten-free all-purpose flour blend or use cornstarch (slurry) to thicken the sauce, adjusting quantities as needed.

Don’t be afraid to experiment and make this casserole truly your own! Each variation offers a unique spin on the comforting classic.

👉 If you appreciate hearty, low-effort slow cooker meals, don’t miss my tender Pot Roast or my versatile Slow Cooker Shredded Beef – perfect for busy days.

How To Make Zuppa Toscana Casserole: Step-by-Step Guide

Creating this rich and comforting Zuppa Toscana Casserole is simpler than you might think. Follow these detailed steps to achieve a perfectly layered, creamy, and flavorful dish that will impress everyone at your table.

Step 1: Prepare Your Baking Dish & Oven
Preheat your oven to 375 °F (190 °C). Lightly grease a 9×13-inch baking dish with nonstick cooking spray or a pat of butter. This prevents sticking and ensures easy serving.

Step 2: Slice and Layer Potatoes
Peel your russet potatoes and, using a sharp knife or preferably a mandoline, slice them very thinly and uniformly. Arrange these slices in an even layer across the bottom of your prepared baking dish. Uniform slices are key for even cooking.

Step 3: Cook the Bacon to Perfection
In a large skillet over medium-high heat, cook the bacon until it is wonderfully crispy and golden brown. Once cooked, use a slotted spoon to remove the bacon pieces and transfer them to a paper towel–lined plate to drain excess grease. Reserve approximately 1 tablespoon of the rendered bacon grease in the skillet; this will add incredible flavor to your sauce base.

Step 4: Brown Sausage, Onion, and Garlic
To the same skillet with the reserved bacon grease, add the ground Italian sausage, diced onion, and minced garlic. Cook, breaking up the sausage with a spoon, until the sausage is thoroughly browned and cooked through, and the onions have softened and become translucent. Drain any excess grease from the skillet before proceeding.

Step 5: Create the Creamy Sauce
Sprinkle the all-purpose flour evenly over the cooked sausage and onion mixture in the skillet. Stir continuously for 1–2 minutes, allowing the flour to cook out its raw taste and combine with the pan drippings to form a roux. Gradually and slowly whisk in the chicken broth, ensuring no lumps form, then stir in the heavy whipping cream. Bring the mixture to a gentle simmer, stirring occasionally, and cook for 3–5 minutes until the sauce has thickened slightly to a luscious consistency.

Step 6: Layer with Bacon and Kale
Crumble the crispy bacon into small pieces. Evenly scatter the crumbled bacon and the chopped kale over the layer of thinly sliced potatoes in your baking dish. These layers will infuse the casserole with distinct flavors and textures.

Step 7: Pour the Creamy Sausage Mixture
Carefully pour the thickened sausage-cream mixture evenly over the potatoes, bacon, and kale in the baking dish. Gently spread it with a spoon or spatula to ensure all the ingredients are well-coated and submerged in the rich sauce.

Step 8: Top with Parmesan & Bake Covered
Generously sprinkle the shredded Parmesan cheese over the entire top of the casserole. Cover the baking dish tightly with aluminum foil to trap moisture and ensure the potatoes cook thoroughly. Bake in the preheated oven for 50 minutes.

Step 9: Uncover & Golden Finish
After 50 minutes, carefully remove the foil. Return the casserole to the oven and continue baking for another 10 minutes, or until the potatoes are completely tender (test with a fork) and the Parmesan topping is beautifully golden brown and bubbly.

Step 10: Rest Before Serving
Once baked, remove the casserole from the oven and let it rest for 5–10 minutes before serving. This crucial resting period allows the layers to set, the flavors to meld, and the sauce to thicken slightly, making it easier and more enjoyable to serve.

Serve hot and enjoy your homemade, hearty Zuppa Toscana Casserole! The comforting aroma filling your kitchen will be as delightful as the first bite.

For a comprehensive guide, including ingredient specifics and nutritional information, please refer to the Printable Recipe Card below.

Serving Suggestions for Zuppa Toscana Casserole

This Zuppa Toscana Casserole is a hearty, standalone meal, but pairing it with the right accompaniments can elevate your dining experience. Here are some delightful suggestions:

Extra Toppings: Enhance the presentation and flavor by garnishing your individual servings. A sprinkle of fresh chopped parsley adds brightness and color. A dash of red pepper flakes can provide an extra kick for those who enjoy heat. And, of course, an additional dusting of shredded or grated Parmesan cheese is always welcome!

Appetizer Pairings: Start your meal with a classic Italian appetizer. Light and fresh Bruschetta offers a wonderful contrast to the rich casserole. Alternatively, a warm veggie platter with roasted asparagus or zucchini spears can complement the flavors without being too heavy.

Perfect Side Dishes: To balance the richness of the casserole, consider serving it with a crisp, refreshing side. Roasted broccoli or green beans provide a nice texture and earthy flavor. A simple Caesar salad or a light mixed greens salad with a tangy vinaigrette would offer a fresh, acidic counterpoint that cleanses the palate beautifully. Don’t forget some crusty bread or Garlic Knots for dipping!

Make-Ahead, Storage & Reheating Instructions

This Zuppa Toscana Casserole is not only delicious freshly baked but also incredibly convenient for meal planning. Here’s how to manage it before and after cooking:

• Make-Ahead: As mentioned in the FAQs, you can fully assemble the casserole (potatoes, kale, bacon, sausage-cream mixture, and Parmesan topping) up to 24 hours in advance. Cover it tightly with aluminum foil and refrigerate. When ready to bake, let it sit at room temperature for about 30 minutes before placing it in the oven, and adjust baking time as needed (it may require an extra 10-15 minutes covered).
• Storage: Leftover Zuppa Toscana Casserole can be stored in an airtight container in the refrigerator for up to 4 days. Ensure it’s cooled completely before transferring to storage containers.
• Freezing: If you plan to freeze it, bake the casserole first and let it cool completely. Then, wrap individual portions or the entire dish tightly in plastic wrap followed by aluminum foil. Freeze for up to 2 months. Label with the date for easy tracking.
• Reheating:
  • From Refrigerated: Cover the casserole (or individual portion) with foil and warm in a 350 °F (175 °C) oven until heated through, typically 20-30 minutes for individual servings or 30-45 minutes for a larger portion.
  • From Frozen: Thaw overnight in the refrigerator. Then, reheat as you would from refrigerated. Alternatively, you can reheat from frozen, covered, in a 350 °F (175 °C) oven for about 1 hour to 1 hour 30 minutes, or until bubbling and heated through.

  If the sauce appears a bit thick or dry upon reheating, add a splash of chicken broth or a little extra cream to bring it back to its creamy consistency. Microwaving is also an option for individual portions, heating in 1-2 minute increments until hot.

With these storage and reheating tips, you can enjoy this delightful Zuppa Toscana Casserole for days to come, making meal times effortless and delicious.