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Keto Slow Cooker Sausage and Peppers

This Keto Slow Cooker Sausage and Peppers recipe is an easy low-carb comfort meal made with juicy Italian sausage, colorful bell peppers, onions, and a flavorful tomato herb sauce. Perfect for busy weeknight dinners and meal prep.
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Prep Time 15 minutes
Cook Time 6 hours
Total Time 6 hours 15 minutes
Servings: 6
Course: Main Course
Cuisine: Italian-American
Calories: 390
Ingredients Method Notes

Ingredients
  

  • 2 lbs Italian sausage links mild or spicy
  • 3 bell peppers red, green, and yellow, sliced
  • 1 medium onion sliced
  • 3 cloves garlic minced
  • 1 can 14.5 oz diced tomatoes, drained
  • ½ cup low-carb marinara sauce
  • 2 tbsp tomato paste
  • 1 tsp Italian seasoning
  • 1 tsp dried oregano
  • ½ tsp smoked paprika
  • ½ tsp salt
  • ½ tsp black pepper
  • 2 tbsp olive oil
  • ¼ cup chopped fresh parsley
  • ½ cup shredded mozzarella cheese optional

Method
 

  1. Heat olive oil in a skillet and lightly brown the sausage links on all sides (optional but adds extra flavor).
  2. Place sliced peppers, onions, and garlic into the slow cooker.
  3. Add browned sausage on top of the vegetables.
  4. Mix diced tomatoes, marinara sauce, tomato paste, and seasonings together in a bowl.
  5. Pour the sauce mixture over the sausage and peppers.
  6. Cover and cook on LOW for 6 hours or HIGH for 3–4 hours.
  7. Stir gently before serving and garnish with parsley.
  8. Add mozzarella cheese on top if desired and allow it to melt before serving.

Notes

A hearty keto slow cooker meal with savory sausage, tender peppers, and Italian-inspired flavors that requires minimal prep and delivers maximum comfort.