Slow Cooker Sausage and Peppers and onions
Italian crockpot Slow Cooker Sausage and Peppers and Onions is a delightful dish that’s perfect for any occasion. This recipe is not only easy to prepare but also bursts with flavor, making it ideal for family dinners, game day, or casual gatherings. With tender sausages, sweet bell peppers, and savory onions simmering together, this dish is sure to become a favorite in your home.
Why You’ll Love This Recipe
- Easy to Prepare: With minimal prep and hands-off cooking, you can enjoy a delicious meal without spending all day in the kitchen.
- Flavorful Combination: The blend of Italian sausages, peppers, and onions creates a rich taste that will satisfy everyone at your table.
- Versatile Serving Options: Enjoy it on its own, over rice, or in a bun for a hearty sandwich; this recipe adapts to your meal preferences.
- Great for Meal Prep: Make a big batch and enjoy leftovers throughout the week; it stores well in the fridge or freezer.
- Crowd-Pleaser: Whether you’re hosting friends or feeding your family, this dish is sure to impress with its mouthwatering aroma and taste.
Tools and Preparation
To create this flavorful dish, you’ll need some essential kitchen tools. These will make your cooking experience smoother and more enjoyable.
Essential Tools and Equipment
- Slow cooker
- Skillet
- Tongs
- Cutting board
- Knife
Importance of Each Tool
- Slow cooker: This is the heart of the recipe. It allows for slow cooking that enhances flavors while you go about your day.
- Skillet: Searing the sausages before slow cooking develops deeper flavors and adds a lovely texture.
- Tongs: Perfect for flipping sausages without piercing them, ensuring they retain their juices while browning.

Ingredients
For the Sausages
- 1 pkg Italian sausages (5, uncooked)
For the Vegetables
- 2 bell peppers, sliced (red & green)
- 1 large onion, sliced
For Seasoning
- 1/2 tsp garlic salt (or salt + garlic powder)
- 1/2 tsp Italian seasoning
- 1/2 tsp freshly ground black pepper
For Sauce
- 1 cup marinara or pasta sauce (Rao’s recommended)
For Cooking
- 1 Tbsp olive oil
Optional Topping
- 1/2-3/4 cup shredded Mozzarella cheese (not pre-shredded)
How to Make Slow Cooker Sausage and Peppers and Onions
Step 1: Sear the Sausages
- Heat a skillet on medium heat and add a drizzle of olive oil to the pan.
- Sear the Italian sausages for 2-3 minutes on each side until they start to brown. You’re not cooking them fully; just browning enhances flavor during slow cooking.
- Transfer them to the bottom of a slow cooker.
Step 2: Add Vegetables
- Layer the sliced onions and peppers on top of the sausages in the slow cooker.
- Sprinkle with garlic salt, black pepper, and Italian seasoning to enhance flavor.
Step 3: Add Sauce
- Pour marinara sauce evenly over the onion and pepper mixture.
Step 4: Cook
- Cover and cook on high for 3-4 hours or low for 6-7 hours until peppers are soft and sausages are cooked through.
Enjoy your delicious Slow Cooker Sausage and Peppers and Onions!
How to Serve Slow Cooker Sausage and Peppers and onions
This delicious dish can be served in a variety of ways, making it a versatile option for any meal. Whether you prefer a hearty plate or a light serving, there’s a method that will suit your taste.
On a Bun
- Serve the sausage and peppers in a toasted bun for a satisfying sandwich. Top it with cheese for extra flavor.
With Cheese
- Broil some shredded mozzarella on top just before serving. This adds a creamy layer that complements the dish beautifully.
Over Rice or Quinoa
- Spoon the sausage and pepper mixture over cooked rice or quinoa. This adds substance and makes it a complete meal.
As Part of a Platter
- Create a platter with the sausages, peppers, and onions alongside sliced baguette or crackers for an appetizer spread.
With Pasta
- Toss the sausage and peppers with your favorite pasta for an Italian-inspired dish full of flavor.
How to Perfect Slow Cooker Sausage and Peppers and onions
To enhance your slow cooker experience, consider these helpful tips for making this dish even more delicious.
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Sear the Sausages: Browning the sausages before adding them to the slow cooker enhances their flavor significantly.
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Use Fresh Ingredients: Fresh bell peppers and onions provide better texture and taste than pre-sliced options.
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Adjust Seasonings: Feel free to tweak the garlic salt and Italian seasoning based on your personal preference for flavor intensity.
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Experiment with Sauces: Try different marinara sauces or add herbs like basil or oregano to customize the sauce’s flavor profile.
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Add Veggies: Incorporate other vegetables such as mushrooms or zucchini for added nutrition and variety.
Best Side Dishes for Slow Cooker Sausage and Peppers and onions
Pairing side dishes with your slow cooker meal can elevate your dining experience. Here are some excellent options to consider:
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Garlic Bread – Toasted bread infused with garlic butter complements the flavors perfectly.
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Mixed Green Salad – A light salad with vinaigrette adds freshness that balances the richness of the sausage.
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Steamed Broccoli – This healthy side provides crunch and color while being easy to prepare.
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Roasted Potatoes – Crispy roasted potatoes offer a hearty option that pairs well with the savory sauce.
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Coleslaw – A tangy coleslaw provides a crunchy contrast to the soft textures of the main dish.
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Couscous – Fluffy couscous can soak up the sauce well, making it an excellent base for this dish.
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Cauliflower Rice – A low-carb alternative that works well if you’re watching your carb intake while still enjoying great flavors.
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Grilled Asparagus – Lightly grilled asparagus adds elegance to your meal while providing essential nutrients.
Common Mistakes to Avoid
Cooking with a slow cooker can be simple, but there are common mistakes to steer clear of for the best results.
- Neglecting to Sear the Sausages: Skipping the searing step means missing out on deeper flavors. Lightly browning the sausages enhances their taste and adds richness to the dish.
- Overcrowding the Slow Cooker: Adding too many ingredients can lead to uneven cooking. Ensure your slow cooker isn’t overcrowded to allow proper heat circulation.
- Using Low-Quality Sauce: A poor-quality marinara sauce can dull your dish’s flavor. Invest in a good brand or make your own for a more vibrant taste.
- Not Adjusting Cooking Times: Every slow cooker is different. Always check for doneness, as cooking times may vary based on your specific model.
- Ignoring Storage Tips: Failing to store leftovers properly can lead to spoilage. Use airtight containers and refrigerate promptly after serving.

Storage & Reheating Instructions
Refrigerator Storage
- Store leftovers in an airtight container.
- They will keep in the refrigerator for up to 3-4 days.
Freezing Slow Cooker Sausage and Peppers and onions
- Allow the dish to cool completely before freezing.
- Use freezer-safe containers or bags and label them with the date. It will last for up to 3 months.
Reheating Slow Cooker Sausage and Peppers and onions
- Oven: Preheat to 350°F (175°C) and bake covered for about 20 minutes, or until heated through.
- Microwave: Transfer a portion to a microwave-safe dish, cover, and heat in short intervals until warmed thoroughly.
- Stovetop: Heat over medium heat, stirring occasionally until hot; add a splash of water if needed to prevent sticking.
Frequently Asked Questions
Can I use different types of sausages in this recipe?
Yes, you can substitute chicken, beef, or turkey sausages based on your preference.
How do I make this recipe vegetarian?
Use plant-based sausage alternatives and vegetable broth instead of marinara sauce if desired.
What can I serve with Slow Cooker Sausage and Peppers and onions?
This dish pairs well with crusty bread, rice, or pasta for a hearty meal.
Can I add other vegetables?
Absolutely! Feel free to include zucchini, mushrooms, or any seasonal veggies you enjoy.
Final Thoughts
Slow Cooker Sausage and Peppers and onions is a delightful dish that brings rich flavors together effortlessly. It’s perfect for busy weeknights or gatherings. Customize it by adding your favorite spices or vegetables for a personal touch. Give it a try—you’ll love how easy it is!
Slow Cooker Sausage and Peppers and Onions
Savor the rich flavors of Slow Cooker Sausage and Peppers and Onions, a dish that combines tender sausages with vibrant bell peppers and onions for a satisfying meal. This easy-to-make recipe is perfect for busy weeknights or gatherings with family and friends. With minimal preparation and hands-off cooking time, you can enjoy a delicious, hearty dish without spending hours in the kitchen.
- Prep Time: 15 minutes
- Cook Time: 6-7 hours
- Total Time: 0 hours
- Yield: Serves 5
- Category: Main
- Method: Slow Cooking
- Cuisine: Italian
Ingredients
- 1 package Italian sausages (5 uncooked)
- 2 bell peppers (sliced; red & green)
- 1 large onion (sliced)
- 1 cup marinara or pasta sauce
- 1 tablespoon olive oil
- 1/2 teaspoon garlic salt
- 1/2 teaspoon Italian seasoning
- 1/2 teaspoon black pepper
Instructions
- In a skillet over medium heat, add olive oil and sear the sausages for 2-3 minutes on each side until browned. Transfer to the slow cooker.
- Layer sliced onions and peppers on top of the sausages. Sprinkle with garlic salt, black pepper, and Italian seasoning.
- Pour marinara sauce evenly over the mixture.
- Cover and cook on high for 3-4 hours or low for 6-7 hours until peppers are soft and sausages are cooked through.
Nutrition
- Serving Size: 1 serving
- Calories: 420
- Sugar: 5g
- Sodium: 800mg
- Fat: 28g
- Saturated Fat: 10g
- Unsaturated Fat: 16g
- Trans Fat: 0g
- Carbohydrates: 18g
- Fiber: 3g
- Protein: 25g
- Cholesterol: 70mg