Jump to Recipe Print RecipeAs I flipped through my recipe collection, a lightbulb moment struck me when I spotted a simple yet transformative dish: the Cheesy Vegetarian Southern Casserole. This casserole isn’t just another meal; it’s a warm hug in a bowl, perfect for those busy evenings when homemade comfort food is a must. Packed with vibrant veggies and an indulgent cheese blend, this quick recipe lets you whip up a heartwarming dinner using the Instant Pot—who doesn’t love saving time in the kitchen? Plus, it caters to both low-carb preferences and veggie lovers alike, making it a versatile crowd-pleaser. Curious how this scrumptious casserole could become your next family favorite? Let’s dive into the details! Why is this casserole a must-try? Satisfying Comfort: This baked casserole brings together hearty vegetables and creamy cheese in a delightful medley. Quick Cooking: Thanks to the Instant Pot, you can have dinner ready in just 10-12 minutes without sacrificing flavor! Health-Conscious: Enjoy a comforting meal that’s low in carbs and rich in nutrients—perfect for your busy lifestyle. Versatile Options: With room for variations like adding lentils or swapping cheese, this recipe caters to your cravings and dietary needs. Crowd-Pleasing Delight: Serve it at family dinners or gatherings; everyone from veggie lovers to meat-eaters will go for seconds! Try it alongside a light salad or a slice of garlic bread for the ultimate comfort meal. Baked Sausage and Cheese Ingredients For the Casserole • Vegetables – Incorporate hearty favorites like bell peppers and zucchini for nutrition and bulk. • Sausage – Use your choice of vegetarian or low-carb options for a flavorful kick. • Cheese – A blend of cheddar and mozzarella adds creaminess; low-fat versions are a lighter choice. • Coconut Milk – Creates a rich, satisfying sauce; almond milk can be used for a vegan twist. • Eggs or Egg Substitute – Binds the casserole perfectly together; consider using chia or flaxseed as a vegan alternative. • Herbs and Spices – Must-haves like garlic and parsley enhance the overall flavor; fresh herbs are ideal for a vibrant taste. For Topping • Breadcrumbs – A sprinkle on top adds a nice crunch; gluten-free options work perfectly too. • Parmesan Cheese – A dash on the top elevates your baked casserole to new heights of flavor. Experience the magic of combining these ingredients for an unforgettable Baked Sausage and Cheese casserole that will surely warm your heart! Step‑by‑Step Instructions for Baked Sausage and Cheese Step 1: Prepare the Ingredients Begin by washing and chopping your selected vegetables, such as bell peppers and zucchini, into bite-sized pieces. This step should take about 10 minutes. As you prep, set aside your vegetarian or low-carb sausage and any herbs and spices you’ll be using. This organization ensures that your Baked Sausage and Cheese casserole comes together smoothly and efficiently. Step 2: Mix Dairy and Eggs In a large mixing bowl, combine your chosen cheeses—cheddar and mozzarella—along with coconut milk and eggs. Whisk everything vigorously until fully blended. This mixture creates the creamy base of your casserole. You should aim for a smooth, uniform texture, which typically takes about 3-5 minutes of mixing. Set this aside while you focus on layering the casserole. Step 3: Layer the Ingredients With the Instant Pot set to the sauté function, lightly grease the bottom with non-stick spray. Layer half of the chopped vegetables at the bottom, followed by half of the sausage and half of the cheese mixture. Repeat this layering process for the remaining ingredients. Each layer should be well-distributed to ensure even cooking and flavor infusion, taking about 5 minutes. Step 4: Seal and Cook Once your Baked Sausage and Cheese casserole is layered in the Instant Pot, secure the lid and ensure the valve is set to sealing. Set the cooking time to 10-12 minutes on high pressure, allowing the flavors to meld beautifully. During this time, the pot will build up pressure, and you may hear hissing sounds; this is normal and indicates it’s working effectively. Step 5: Release the Pressure After the cooking time is complete, allow the Instant Pot to release pressure naturally for about 5 minutes. Then, carefully switch to a quick release to let out any remaining steam. This step releases the pressure safely—be cautious of the hot steam. Open the lid carefully, revealing your beautifully cooked casserole. Step 6: Add Toppings and Serve If desired, sprinkle breadcrumbs and Parmesan cheese on top of the casserole for an irresistible crunchy topping. You can pop this under the broiler for a few minutes until golden brown, enhancing the flavor and texture. Finally, garnish with freshly chopped herbs before serving. Your Baked Sausage and Cheese casserole is ready to warm hearts and bellies! Expert Tips for Baked Sausage and Cheese Crispy Topping: For that irresistible crunch, broil the casserole for a few minutes after cooking. Watch closely to prevent burning! Moisture Control: Ensure the vegetables are chopped and patted dry to avoid excess moisture, which can make the casserole soggy. Ingredient Swap: Experiment with different sausages, including turkey or plant-based options, to discover new flavor combinations in your baked casserole. Layering Technique: Layer ingredients evenly for consistent cooking; this ensures every bite tastes delicious and holds together well. Make Ahead: Prepare the casserole ahead of time and refrigerate it for a quick dinner solution; just adjust the cooking time accordingly. Perfect Cooking Time: Stick to the 10-12 minute range for the best texture—overcooking can lead to a tough casserole, while undercooking can leave it mushy. How to Store and Freeze Baked Sausage and Cheese Refrigerator: Store any leftover baked sausage and cheese casserole in an airtight container for up to 3 days. Make sure it’s completely cooled before sealing to maintain freshness. Freezer: For longer storage, freeze the casserole by cutting it into individual portions and wrapping tightly in plastic wrap followed by foil. It can last up to 2 months! Reheating: To enjoy your frozen baked sausage and cheese, thaw overnight in the fridge, then reheat in the oven at 350°F (175°C) until heated through, about 25-30 minutes. Make-Ahead: You can assemble the casserole, cover it, and store it in the fridge for up to a day before cooking. This makes dinner prep a breeze while retaining all the delicious flavors. What to Serve with Cheesy Vegetarian Southern Casserole As the rich aroma of your casserole fills the kitchen, envision a full spread that perfectly complements this delightful dish. Garlic Bread: The buttery, crunchy texture of garlic bread adds an irresistible flavor depth that pairs wonderfully with the creamy casserole. Light Salad: A refreshing mix of greens, cherry tomatoes, and a tangy vinaigrette will balance the richness of your meal beautifully. Steamed Broccoli: Bright green broccoli brings a delightful crunch and vital nutrients, making for a well-rounded dinner plate. Roasted Carrots: Sweet and caramelized, roasted carrots enhance the casserole’s flavors while adding a touch of elegance to your dining table. Quinoa Pilaf: This nutty, fluffy grain offers an excellent source of protein, creating a heartier meal and balancing the creamy casserole. Chilled White Wine: A crisp, chilled Sauvignon Blanc will enhance the flavors of your dish, making it the perfect dinner companion. Fruit Sorbet: End on a refreshing note with fruit sorbet, providing a light and satisfying dessert to cleanse the palate after your comforting casserole. Herbed Couscous: Fluffy herbed couscous provides a delightful texture contrast, soaking up flavors that harmonize beautifully with your cheesy vegetarian casserole. Baked Sausage and Cheese Variations Feel free to let your culinary creativity shine by customizing this casserole to suit your tastes and dietary needs! Low-Carb Twist: Replace traditional potatoes with cauliflower rice for a lighter, keto-friendly option. This substitution maintains a hearty texture without the extra carbs. Dairy-Free Delight: Use dairy-free cheese alternatives to make it suitable for lactose-intolerant guests. This way, you can enjoy that cheesy goodness without the discomfort! Spicy Kick: Incorporate jalapeños or crushed red pepper flakes into the mixture for added heat. Adjust the spice levels to suit your tastebuds and watch for those who love a fiery flavor! Extra Protein: Mix in cooked lentils or chickpeas to boost the protein content and add a delightful twist. It’s a fantastic way to make this dish even more filling and nutritious. Herb Infusion: Experiment with fresh herbs like basil or oregano for a fragrant twist. These herbs can elevate the flavor profile and make this casserole feel like a gourmet dish. Vegetable Swap: Substitute seasonal veggies like squash or mushrooms based on what’s available. This encourages variety and brings new flavors to your baked indulgence. Crunchy Topping Variation: Add crushed nuts or seeds atop the breadcrumbs for an extra layer of texture and nutrition. This twist offers a delightful crunch and makes every bite exciting! Italian Flavor: Mix in Italian seasonings and a splash of marinara sauce for a deliciously hearty meal reminiscent of a comforting lasagna. Pair it with a side of garlic bread and a crisp salad for a full experience. Ready to elevate your dish? For a truly comforting side, consider serving your scrumptious casserole with some Cheesy Baked Potatoes or a deliciously easy Baked Brie Puffed for the perfect spread! Make Ahead Options These Baked Sausage and Cheese casseroles are perfect for meal prep! You can chop your vegetables and mix the cheese and egg mixture up to 24 hours in advance. Store each component separately in airtight containers in the refrigerator to maintain their freshness. The layered casserole can also be assembled a day ahead and refrigerated, making it a convenient option for busy weeknights. On the day you plan to serve it, simply cook the casserole in the Instant Pot as directed, and enjoy the delightful flavors without the last-minute rush. By prepping ahead, you’ll not only save time but ensure a scrumptious home-cooked meal with minimal effort! Baked Sausage and Cheese Casserole Recipe FAQs How do I select the best vegetables for my casserole? Absolutely! For the best results, choose fresh, vibrant vegetables without dark spots or soft spots. Bell peppers, zucchini, and spinach are great options. If you’re feeling adventurous, try seasonal veggies like broccoli or carrots for added nutrition and flavor. How should I store leftover casserole? To keep your baked sausage and cheese casserole fresh, store any leftovers in an airtight container in the refrigerator for up to 3 days. Make sure it’s completely cooled before sealing to prevent moisture build-up, which can affect texture. Can I freeze my casserole for later use? Very! To freeze your baked sausage and cheese casserole, cut it into individual portions for easier reheating. Wrap each piece tightly in plastic wrap followed by foil to prevent freezer burn. It can last up to 2 months in the freezer. When you’re ready to enjoy it, thaw overnight in the fridge and reheat in the oven. What if my casserole turns out too watery? No worries; it happens to the best of us! If you find your casserole has excess moisture, ensure your vegetables are properly dried before using them, as excess water can make the dish soggy. If it happens, try removing some liquid by cooking it longer in the oven, uncovered, to help evaporate the excess moisture. Can I make this casserole in advance? Absolutely! You can assemble your baked sausage and cheese casserole up to a day in advance. Cover it tightly with foil or plastic wrap and store it in the fridge. When you’re ready to cook, simply remove it from the fridge and follow the usual cooking instructions, adjusting the cook time slightly if it’s chilled. Are there any dietary considerations I should keep in mind? Definitely! If you’re serving guests with dietary restrictions, consider using gluten-free breadcrumbs and dairy-free cheese alternatives to accommodate various needs. For those with egg allergies, using a flaxseed mixture is a fantastic substitute that works well in this casserole. Baked Sausage and Cheese Casserole for Ultimate Comfort Enjoy a heartwarming Baked Sausage and Cheese casserole, perfect for busy evenings and low-carb diets. Print Recipe Pin Recipe Prep Time 10 minutes minsCook Time 12 minutes minsPressure Release Time 5 minutes minsTotal Time 27 minutes mins Servings: 4 servingsCourse: CasseroleCuisine: SouthernCalories: 350 Ingredients Equipment Method Nutrition Notes Ingredients 1x2x3x? For the Casserole2 cups bell peppers chopped2 cups zucchini chopped1 pound vegetarian sausage or low-carb options1 cup cheddar cheese shredded1 cup mozzarella cheese shredded1 cup coconut milk or almond milk2 large eggs or egg substitute1 teaspoon garlic minced1 tablespoon parsley fresh, choppedFor Topping1/2 cup breadcrumbs gluten-free options available1/4 cup Parmesan cheese grated Equipment Instant Pot Method Step-by-Step InstructionsPrepare the ingredients by washing and chopping vegetables into bite-sized pieces.Mix dairy and beat eggs in a bowl for the creamy base.Layer half of the ingredients in the Instant Pot.Seal the lid and set the cooking time for 10-12 minutes on high pressure.Release the pressure naturally for 5 minutes, followed by a quick release.Add toppings and serve, optionally broiling for a crunchy finish. Nutrition Serving: 1servingCalories: 350kcalCarbohydrates: 15gProtein: 20gFat: 25gSaturated Fat: 10gPolyunsaturated Fat: 2gMonounsaturated Fat: 5gCholesterol: 100mgSodium: 600mgPotassium: 400mgFiber: 3gSugar: 2gVitamin A: 500IUVitamin C: 15mgCalcium: 300mgIron: 2mg NotesEnsure vegetables are dry to avoid sogginess. Different sausage options can be used for varied flavors. Tried this recipe?Let us know how it was!