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Slow Cooker Italian Sausage and Peppers

Slow Cooker Italian Sausage and Peppers is an easy, four ingredient slow cooker recipe that is perfect for a busy weeknight! This recipe uses Italian sausages, red onion, bell pepper, and marinara and is perfect served on hoagies topped with cheese. 
Prep Time10 mins
Cook Time4 hrs
Total Time4 hrs 10 mins
Course: Main Course
Cuisine: American
Keyword: dinner, main dish, sausage, slow cooker
Servings: 8 servings
Calories: 665kcal
Author: Taylor


  • 2 lbs mild Italian sausages *hot works, too!
  • 1 red onion sliced
  • 1 red or green bell pepper stem and seeds removed, and diced
  • 8 hoagie buns
  • 2 cups shredded Italian cheese


  • Add the sausages, onion, bell pepper, and marinara to a slow cooker and stir gently.
  • Cover and cook on high for 3 hours or low for 6 hours.
  • Once they are cooked, preheat your broiler.
  • Place the sausages in the hoagie buns along with some of the sausage and onion and pepper mixture. Set them on a baking sheet. Sprinkle them with cheese.
  • Broil for 1-2 minutes, until the cheese is melted and golden.
  • Serve and enjoy!


If your family is a fan of bell peppers, add another bell pepper. My family likes bell peppers, but only a few so I typically just use one bell pepper!


Calories: 665kcal | Carbohydrates: 36g | Protein: 29g | Fat: 45g | Saturated Fat: 14g | Polyunsaturated Fat: 5g | Monounsaturated Fat: 16g | Cholesterol: 92mg | Sodium: 1176mg | Potassium: 338mg | Fiber: 2g | Sugar: 6g | Vitamin A: 466IU | Vitamin C: 22mg | Calcium: 87mg | Iron: 12mg