
The aroma of this classic slow cooker sausage and peppers brings warmth to any kitchen. This beloved Italian dish combines tender sausages with soft, caramelized peppers in a rich marinara sauce - creating the perfect comfort meal that tastes like it's straight from a traditional family recipe.
Simple Slow Cooking
This effortless recipe lets your slow cooker transform simple ingredients into a spectacular meal. The low, steady heat creates meltingly tender sausages and perfectly cooked peppers while you attend to other tasks.
Essential Ingredients
- Italian Sausage: 1 pound, sweet or hot variety
- Bell Peppers: 3 large, mix of red, green and yellow
- Onions: 2 medium, thinly sliced
- Garlic: 4 fresh cloves, minced
- Marinara: 24 ounces, quality jarred sauce
- Seasonings: Salt and black pepper to taste
Preparation Steps
- Slice peppers and onions into even strips
- Layer sausages, vegetables and sauce in cooker
- Cook 6 hours on low or 4 hours on high
- Slice sausages and return to sauce
- Adjust seasonings before serving

Serving Suggestions
Serve this hearty dish over creamy mashed potatoes, tucked into crusty rolls for sandwiches, or tossed with your favorite pasta. The versatile sauce complements any starch perfectly.
Professional Tips
Browning the sausages before slow cooking adds extra depth. Select high-quality marinara sauce for the best flavor. Consider adding red pepper flakes for a subtle heat.
Recipe Variations
Adapt this recipe by using spicy Italian sausage or turkey sausage. Fresh basil, oregano, or thyme enhance the classic flavors. Each variation brings its own character to the dish.
Storage Instructions
Store leftovers in airtight containers for up to 4 days in the refrigerator. Freeze portions in freezer-safe containers for up to 3 months. Flavors continue developing during storage.

Classic Italian Comfort
This traditional recipe creates an inviting aroma throughout the house. The combination of tender sausages and sweet peppers in rich sauce delivers authentic Italian flavor.
Meal Prep Solution
Prepare this dish on weekends for convenient meals throughout the week. The flavors mature beautifully, making reheated portions equally delicious.
Creative Additions
Enhance the recipe with sliced mushrooms or zucchini. A splash of red wine deepens the sauce. Each variation maintains the dish's comforting essence.
Perfect for Gatherings
This recipe excels at potlucks and family meals. The slow cooker keeps it warm for serving, while the rustic presentation invites casual dining. It's reliable comfort food for any occasion.

Frequently Asked Questions
- → What types of sausage can I pick?
Try it with turkey, hot Italian, mild Italian, beef, or even ground sausage.
- → Is this freezable?
Yep, it holds up great in the freezer for up to 3 months if stored in a sealed container.
- → How long will leftovers last?
Keep it refrigerated in an airtight container for up to 4 days safely.
- → What sides go best with this?
Serve it over fluffy rice or creamy mashed potatoes—it’s a meal in itself!
- → Why wait to slice the sausage?
It stays juicy as it cooks, plus slicing is neater when they're fully done.
Conclusion
This flavorful slow cooker dish combines Italian sausage, sweet bell peppers, and onions in a hearty marinara sauce. Perfect for a quick family meal that’s rich, satisfying, and easy.