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    Home ยป Gluten Free Dinner Recipes

    Slow Cooker Sausage and Peppers

    Sep 25, 2025 by Thriving Gluten Free ยท This post may contain affiliate links ยท 4 Comments

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    There's nothing better than a hearty, flavorful meal that practically cooks itself. This Slow Cooker Sausage and Peppers recipe is a true weeknight lifesaver! Juicy Italian sausage is simmered with sweet bell peppers, onions, and tomatoes until tender and full of flavor. It's naturally gluten-free, family-friendly, and perfect for everything from a quick weeknight dinner to a game day spread.

    slow cooker sausage and peppers recipe made in the crockpot
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    Why You'll Love This Recipe

    • Effortless Cooking: The slow cooker does all the work!
    • Gluten-Free Comfort Food: Serve with gluten-free rolls, rice, or pasta.
    • Meal Prep Friendly: Tastes even better the next day.
    • Crowd-Pleaser: Perfect for feeding a family or entertaining.

    Ingredients You'll Need:

    • 2 lbs Italian sausage links (mild, hot, or a mix)
    • 3 large bell peppers (red, yellow, green), sliced into strips
    • 1 large onion, sliced
    • 1 jar (28 oz) of your favorite marinara sauce
    • 3 cloves garlic, minced
    • 1 tablespoon olive oil
    • 1 teaspoon Italian seasoning
    • ยผ teaspoon red pepper flakes (optional for heat)
    • Salt and black pepper, to taste
    • Fresh basil or parsley, for garnish
    gluten free sausage and peppers recipe made in the slow cooker

    Step-by-Step Instructions

    1. Brown the Sausage (Optional)

    Heat olive oil in a skillet over medium heat. Brown sausages for 2-3 minutes per side for extra flavor. (You can skip this step if pressed for time.)

    2. Layer the Ingredients

    Place sliced peppers and onions in the bottom of your slow cooker. Top with sausages, garlic, marinara sauce, Italian seasoning, red pepper flakes, salt, and pepper.

    3. Cook Low and Slow

    Cover and cook on low for 6-7 hours or high for 3-4 hours, until sausages are cooked through and vegetables are tender.

    4. Serve and Enjoy

    Garnish with fresh basil or parsley before serving.

    Serving Suggestions

    • Classic Style: Serve on toasted gluten-free hoagie rolls for the ultimate sausage and peppers sandwich.
    • Low-Carb Option: Enjoy over cauliflower rice or zucchini noodles.
    • Family Dinner: Pair with gluten-free pasta or rice for a hearty meal.
    • Game Day Platter: Keep sausages whole with peppers on the side for easy serving.

    This meal satisfies even the pickiest eaters-I know because I have 4 of them!

    Whether you need to feed a crowd or just looking for an easy weeknight dinner, this is a no-fail recipe you'll want to make over and over!

    If you've tried this recipe, be sure to tag me on Instagram @thrivingglutenfree so I can see how it turned out.

    Let's Eat!

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    Slow Cooker Sausage & Peppers

    Easy slow cooker sausage and peppers recipe made with Italian sausage, bell peppers, onions, and tomatoes. A hearty, gluten-free family favorite!
    Cook Time6 hours hrs
    Course: Main Course, Salad
    Cuisine: slow cooker
    Keyword: bell peppers, Italian Sausage, slow cooker
    Servings: 6 -8

    Equipment

    • Crock Pot

    Ingredients

    • 2 lbs Italian Sausage cut in chunks or leave in links! We love using a mix of sweet & hot sausage.
    • 1 medium onion sliced in half moons
    • 3 bell peppers thinly sliced (whatever colors you want to use!)
    • 1 jar 28oz of your favorite marinara sauce
    • 3 cloves garlic minced
    • 1 teaspoon Italian Seasoning
    • salt/pepper to taste
    • ยผ teaspoon red pepper flakes optional for some extra spice!

    Instructions

    • Heat olive oil in a skillet over medium heat. Brown sausages for 2-3 minutes per side for extra flavor. (You can skip this step if pressed for time.)
    • Place sliced peppers and onions in the bottom of your slow cooker. Top with sausages, garlic, crushed tomatoes, Italian seasoning, red pepper flakes, salt, and pepper.
    • Cover and cook on low for 6 hours.
    • Remove lid and let stand for at least 15 minutes while the sauce thickens.

    Notes

    Many people like to brown the sausage first in a separate pan. You can do that if you like, but it is not necessary for this recipe.
    Tried this recipe?Mention @thrivingglutenfree or #thrivingglutenfree!

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    Trackbacks

    1. How to Meal Plan with Theme Nights – Thriving Gluten Free says:
      January 6, 2020 at 12:23 pm

      […] Slow Cooker Sausage & Peppers […]

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    2. Slow Cooker Gluten Free Chocolate Chip Pumpkin Bread – Peace of Gluten Free Cake says:
      September 23, 2019 at 10:40 pm

      […] Style Chicken by Celiac Kids Cook Sausage and Peppers by Thriving Gluten Free Cranberry Portobello Brisket by Gluten Free With 3 Beef and Chorizo Chili by Its Wheatless Life […]

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    3. “Fall” Into Gluten Free – Michelle's Gluten Free Kitchen says:
      September 23, 2019 at 2:46 pm

      […] Thriving Gluten Free – Sausage and Peppers […]

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    4. Fall Into Gluten-Free: 9 Slow Cooker Recipes You’ll Want to Make This Fall! – Thriving Gluten Free says:
      September 23, 2019 at 1:26 pm

      […] Classic Sausage & Peppers by Thriving Gluten Free […]

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    thriving gluten free recipes for those with celiac disease and gluten intolerance

    Hi, I'm Debby! The recipe creator, mom and blogger behind Thriving Gluten Free. Our oldest daughter was diagnosed with Celiac Disease in 2011, so we've been navigating gluten-free living ever since. Here, we share our favorite recipes, products and tips to help make your gluten-free life easy, healthy and delicious!

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