Slow Cooker Sausage and Peppers Recipe

Emily MorganPosted on March 13, 2026

Slow Cooker Sausage and Peppers served warm with cozy spices

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Slow Cooker Sausage and Peppers served warm with cozy spices
Comforting Slow Cooker Sausage and Peppers you can make today
Slow Cooker Sausage and Peppers served warm with cozy spices
Comforting Slow Cooker Sausage and Peppers you can make today


It’s 5 PM. The game is on in an hour. Or the kids are hungry. Or you just walked in the door and cooking feels impossible.

I get it. We all have those nights. You need a hero, and that hero is your slow cooker. For another fantastic set-and-forget meal, try this easy slow cooker chicken jambalaya.

This Slow Cooker Sausage and Peppers is your ticket out of dinner chaos. It’s the ultimate set-it-and-forget-it meal. Maximum flavor, almost zero effort. Let’s get your night back.

Recipe Overview

  • Cuisine: Italian-American
  • Category: Main Course
  • Prep Time: 10 minutes
  • Cook Time: 6 hours (Low) or 3 hours (High)
  • Total Time: 6 hours 10 minutes (mostly hands-off!)
  • Servings: 6

Ultimate Guide to Slow Cooker Sausage and Peppers

This isn’t just another recipe. This is your new game day and weeknight MVP.

Why? The slow cooker does all the hard work. It turns simple ingredients into something magical. The sausages get incredibly tender. The peppers and onions melt into a sweet, savory sauce.

The flavor is huge. And your effort is tiny. You just chop, dump, and go live your life. Come back to a feast that tastes like you cooked all day.

The Simple Ingredients

This is where the magic starts. I bet you have half of this in your kitchen right now. No fancy trips to the store needed.

  • 2 lbs Italian sausage links (hot, sweet, or a mix!)
  • 3 large bell peppers (I use red, yellow, and green for color)
  • 1 large yellow onion
  • 4 cloves garlic, minced
  • 1 (24 oz) jar of your favorite marinara sauce
  • 1/4 cup water or broth
  • 1 tsp dried oregano
  • 1/2 tsp dried basil
  • 1/2 tsp red pepper flakes (optional, for heat)
  • Salt and black pepper to taste
  • 6 hoagie rolls, for serving
  • Shredded mozzarella or provolone cheese (optional, for topping)

Let’s Get Cooking! (The Step-by-Step)

Ready? This is the easiest part. We’re talking 10 minutes of prep. That’s it. Then you’re free.

  1. Prep your veggies. Slice the bell peppers and onion into strips. Mince the garlic. Don’t worry about perfect cuts. This is a rustic, easy dish.
  2. Brown the sausage (optional but recommended). This one quick step boosts flavor big time. Just sear the sausages in a hot pan for 2-3 minutes per side to get some color. You’re not cooking them through.
  3. Layer it all in. Add the pepper and onion strips to the bottom of your slow cooker. Place the sausages on top. Sprinkle with the garlic, oregano, basil, and red pepper flakes.
  4. Add the sauce. Pour the jar of marinara over everything. Add the 1/4 cup of water or broth to the empty jar, shake it, and pour that in too. This makes sure you get all the sauce.
  5. Cook! Cover and cook on LOW for 6 hours or on HIGH for 3 hours. The sausages should be cooked through and tender, and the peppers will be soft.
  6. Serve it up. Toast your hoagie rolls. Place a sausage and a big scoop of the pepper mixture on each roll. Top with cheese if you like. Dig in!

What to Serve With This Dish

This meal stands strong on its own in a roll. But if you want to round it out, keep it simple.

Recipe

Slow Cooker Sausage and Peppers Recipe

Make Slow Cooker Sausage and Peppers Recipe with simple ingredients and clear steps. Prep, cook, and enjoy—perfect for cozy evenings.
Author: Emily Morgan
Prep: 10 min | Cook: 6 hours | Total: 6 hours
Slow Cooker Sausage and Peppers Recipe
Serves: 4 bites
★ Rate

The Simple Ingredients

Let’s Get Cooking! (The Step-by-Step)

1
Prep your veggies. Slice the bell peppers and onion into strips. Mince the garlic. Don’t worry about perfect cuts. This is a rustic, easy dish.
2
Brown the sausage (optional but recommended). This one quick step boosts flavor big time. Just sear the sausages in a hot pan for 2-3 minutes per side to get some color. You’re not cooking them through.
3
Layer it all in. Add the pepper and onion strips to the bottom of your slow cooker. Place the sausages on top. Sprinkle with the garlic, oregano, basil, and red pepper flakes.
4
Add the sauce. Pour the jar of marinara over everything. Add the 1/4 cup of water or broth to the empty jar, shake it, and pour that in too. This makes sure you get all the sauce.
5
Cook! Cover and cook on LOW for 6 hours or on HIGH for 3 hours. The sausages should be cooked through and tender, and the peppers will be soft.
6
Serve it up. Toast your hoagie rolls. Place a sausage and a big scoop of the pepper mixture on each roll. Top with cheese if you like. Dig in!

Notes

Enjoy your homemade Slow Cooker Sausage and Peppers Recipe!

Nutrition Information

Calories: ~550 (for sausage & pepper mixture, without roll)
Protein: 22g
Carbohydrates: 18g
Fat: 44g
Saturated Fat: 16g
Fiber: 4g
Sugar: 10g
Note: Nutrition is an estimate. Values change with ingredient swaps.

A bag of frozen fries or onion rings in the oven is perfect for game day. A quick green salad with Italian dressing balances the richness. If you love easy slow cooker dinners, this simple chicken jambalaya is another great option for busy nights.

For a low-carb option, skip the roll and serve the sausage and peppers over a bed of zucchini noodles or creamy polenta. So easy.

Make This Recipe Your Own (Quick Swaps)

Make this work for you. Use what you have. Here are my favorite fast swaps.

No marinara? Use a can of crushed tomatoes with a tablespoon of Italian seasoning. Out of bell peppers? Use a bag of frozen pepper and onion stir-fry mix. It works great.

Try different sausages. Chicken apple sausage is a sweet twist. Spicy chorizo kicks up the heat. This recipe is your playground.

How to Store Leftovers (If You Have Any!)

This makes fantastic leftovers. Let the mixture cool completely.

Store it in an airtight container in the fridge for up to 4 days. Reheat in the microwave or in a saucepan on the stove.

You can also freeze it for up to 3 months. Thaw in the fridge overnight before reheating.

NUTRITION INFORMATION

  • Calories: ~550 (for sausage & pepper mixture, without roll)
  • Protein: 22g
  • Carbohydrates: 18g
  • Fat: 44g
  • Saturated Fat: 16g
  • Fiber: 4g
  • Sugar: 10g
  • Note: Nutrition is an estimate. Values change with ingredient swaps.

FREQUENTLY ASKED QUESTIONS

Can I put raw sausage in the slow cooker?

Yes, you can. It will cook through safely. But browning it first adds a ton of flavor. It’s worth the extra pan.

My sauce is too thin. How can I thicken it?

Easy! Take the lid off for the last 30 minutes of cooking on HIGH. Let some steam escape. It will thicken right up.

Can I make this ahead of time?

Absolutely. Do all the chopping the night before. Store the veggies and sausage separately in the fridge. In the morning, dump it all in and go.

See? I told you this was the only guide you need. Your slow cooker just became your best friend.

This recipe saves busy nights. It wins game day. It makes you look like a kitchen rockstar with almost no work. That’s a win in my book. For more effortless dinner inspiration, check out this set-and-forget chicken jambalaya recipe.

Go try this and win back your weeknight! Let me know how it goes by leaving a comment and rating below!

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