Slow Cooker Sausage and Peppers and onions
Italian crockpot sausage, peppers, and onions is a delightful dish that combines savory flavors with the ease of slow cooking. Perfect for busy weeknights or casual gatherings, this recipe ensures tender sausages paired with sweet peppers and onions in a rich marinara sauce. Enjoy it straight from the pot, broiled with cheese, or nestled in a bun—this dish is versatile enough to satisfy any craving.
Why You’ll Love This Recipe
- Effortless Preparation: Simply sear and toss ingredients into your slow cooker for a hassle-free meal.
- Rich Flavor: The slow cooking process melds the savory sausage flavors with sweet peppers and zesty marinara.
- Versatile Serving Options: Serve on its own, over rice, or as a hearty sandwich filling.
- Family-Friendly: A crowd-pleaser that’s sure to please both kids and adults alike.
- Quick Cleanup: With minimal pots used, cleanup is a breeze after enjoying this delicious meal.
Tools and Preparation
Having the right tools makes cooking easier and more enjoyable. For this recipe, you’ll need some basic kitchen equipment to get started.
Essential Tools and Equipment
- Slow cooker
- Skillet
- Cutting board
- Sharp knife
- Measuring spoons
Importance of Each Tool
- Slow cooker: This essential tool allows for hands-off cooking, letting you prepare other meals or enjoy time with family while your dish simmers.
- Skillet: Ideal for searing the sausages before adding them to the slow cooker, enhancing their flavor through browning.
- Cutting board & knife: Essential for safely slicing vegetables like onions and bell peppers, ensuring even cooking.

Ingredients
To make this flavorful Slow Cooker Sausage and Peppers and Onions, gather the following 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 the 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 about 2-3 minutes on each side until they start to brown. This step enhances their flavor but does not fully cook them.
- Once browned, transfer the sausages to the bottom of your slow cooker.
Step 2: Add Vegetables and Spices
- Layer the sliced onions and bell peppers over the sausages in the slow cooker.
- Sprinkle with garlic salt, black pepper, and Italian seasoning ensuring an even distribution.
Step 3: Pour in Marinara Sauce
- Spread the marinara sauce evenly over the onion and pepper mixture.
Step 4: Slow Cook Your Dish
- Cover your slow cooker with its lid.
- Cook on high for 3-4 hours or low for 6-7 hours until the peppers are soft and the sausages are fully cooked through.
Enjoy your delicious Slow Cooker Sausage and Peppers and Onions as part of a satisfying meal!
How to Serve Slow Cooker Sausage and Peppers and onions
Serving Slow Cooker Sausage and Peppers and Onions can be versatile, allowing you to customize the meal according to your preference. Here are some delicious ways to enjoy this hearty dish.
On a Bun
- Use a crusty bun to create a delightful sausage sandwich. Load it up with the peppers and onions for extra flavor.
With Broiled Cheese
- After cooking, sprinkle shredded mozzarella on top and broil for a few minutes. This adds a deliciously melty layer that enhances the dish.
Over Rice
- Serve the sausage and pepper mix over white or brown rice. This absorbs the sauce beautifully and makes for a filling meal.
With Pasta
- Toss the sausage mixture with cooked pasta for a comforting Italian-inspired dinner. A sprinkle of Parmesan can elevate the flavors even more.
As a Standalone Dish
- Enjoy it straight from the slow cooker in bowls. Pair with crusty bread for dipping into the sauce.
How to Perfect Slow Cooker Sausage and Peppers and onions
Perfecting your Slow Cooker Sausage and Peppers and Onions requires attention to detail. Here are some helpful tips:
- Sear the sausages: Browning them before adding to the slow cooker enhances flavor significantly.
- Use fresh veggies: Fresh bell peppers and onions will give your dish better texture and taste than frozen options.
- Adjust seasoning: Taste as you go! Add more garlic salt or Italian seasoning based on your preference.
- Don’t lift the lid: Avoid opening the slow cooker during cooking, as this releases heat and can extend cooking time.
- Let it rest: Allow the dish to sit for a few minutes after cooking; this helps blend flavors.
Best Side Dishes for Slow Cooker Sausage and Peppers and onions
Pairing side dishes with your Slow Cooker Sausage and Peppers and Onions can enhance your meal experience. Here are some great options:
- Garlic Bread: A classic choice that’s perfect for soaking up any leftover sauce.
- Steamed Broccoli: Offers a healthy crunch that complements the softness of the sausage mixture.
- Cauliflower Rice: A low-carb option that provides an excellent base without overpowering flavors.
- Coleslaw: Adds a refreshing crunch that contrasts well with the warm, savory dish.
- Quinoa Salad: A light salad with vegetables that pairs well, adding a nutty flavor profile.
- Roasted Potatoes: Crispy potatoes provide a satisfying bite alongside your main dish.
- Mixed Green Salad: A fresh salad balances out the richness of sausage, providing texture without heaviness.
- Spaghetti Squash: This low-calorie option works perfectly under the sausage mixture, mimicking pasta without carbs.
Common Mistakes to Avoid
Cooking with a slow cooker can be simple, but there are common pitfalls that can affect the outcome of your Slow Cooker Sausage and Peppers and onions.
- Skipping Searing the Sausages: Not browning the sausages first may lead to less flavor. Always sear them for a few minutes to enhance taste.
- Overcrowding the Slow Cooker: Adding too many ingredients can prevent even cooking. Stick to the recipe’s proportions for best results.
- Ignoring Cooking Times: Cooking on high for too long can dry out the sausages. Follow recommended times closely for tender, juicy results.
- Using Low-Quality Ingredients: Poor quality sausages or sauces can ruin this dish. Choose high-quality products for maximum flavor impact.
- Neglecting to Season Properly: Failing to add enough spices can leave your dish bland. Adjust seasonings to suit your taste preferences.

Storage & Reheating Instructions
Refrigerator Storage
- Store in an airtight container.
- Refrigerate for up to 3 days.
Freezing Slow Cooker Sausage and Peppers and onions
- Use freezer-safe containers or bags.
- Freeze 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.
- Microwave: Heat in short intervals, stirring in between until warm.
- Stovetop: Warm over medium heat, stirring occasionally until heated through.
Frequently Asked Questions
Here are some common questions related to Slow Cooker Sausage and Peppers and onions that might help you get the most out of this delicious dish.
Can I use different types of sausage?
Yes, feel free to use chicken, beef, or turkey sausages as alternatives!
Is it possible to make this dish vegetarian?
Certainly! You can substitute sausage with plant-based sausage while keeping the rest of the ingredients unchanged.
How do I serve Slow Cooker Sausage and Peppers and onions?
You can serve it as is, on a bun, or over pasta or rice. Top with cheese if desired!
How long does it take to cook?
It takes approximately 3-4 hours on high or 6-7 hours on low in the slow cooker.
Final Thoughts
The Slow Cooker Sausage and Peppers and onions is a flavorful dish that’s perfect for any occasion. Its versatility allows for various customization options based on your taste preferences. Whether you enjoy it by itself, on a bun, or over pasta, this recipe is sure to impress. Give it a try!
Slow Cooker Sausage and Peppers and Onions
Indulge in the rich flavors of our Slow Cooker Sausage and Peppers and Onions, a comforting dish that’s perfect for busy weeknights or casual gatherings. This recipe combines tender chicken, beef, or turkey sausages with vibrant bell peppers and savory onions, all simmered in a luscious marinara sauce. The slow-cooking process melds these ingredients into a delightful medley of tastes that your family will love. Serve it on its own, over rice, as a hearty sandwich filling, or topped with melted cheese for an extra layer of flavor. With minimal prep and easy cleanup, this one-pot meal is sure to become a staple in your dinner rotation.
- Prep Time: 15 minutes
- Cook Time: 4 hours
- Total Time: 4 hours 15 minutes
- Yield: Serves 6
- Category: Main
- Method: Slow cooking
- Cuisine: Italian
Ingredients
- 1 pkg Italian sausages (chicken, beef, or turkey)
- 2 bell peppers (sliced)
- 1 large onion (sliced)
- 1 cup marinara sauce
- Olive oil
- Garlic salt
- Italian seasoning
- Black pepper
Instructions
- Sear the sausages in a skillet with olive oil until browned on both sides.
- Layer the sliced onions and bell peppers in the slow cooker over the sausages.
- Sprinkle garlic salt, Italian seasoning, and black pepper evenly.
- Pour marinara sauce over the top.
- Cover and cook on high for 3-4 hours or low for 6-7 hours until everything is tender.
Nutrition
- Serving Size: 1 cup (250g)
- Calories: 320
- Sugar: 5g
- Sodium: 700mg
- Fat: 18g
- Saturated Fat: 6g
- Unsaturated Fat: 10g
- Trans Fat: 0g
- Carbohydrates: 18g
- Fiber: 3g
- Protein: 20g
- Cholesterol: 60mg