Crock Pot Sausage and Peppers

This slow cooker sausage and peppers recipe delivers tender Italian sausage simmered in rich marinara sauce with sweet bell peppers, onions, garlic, and classic Italian seasoning. Perfect for busy weeknights, game day, or family gatherings, this easy Crock Pot meal is ideal for making hearty sandwiches or serving over pasta. With minimal prep and dependable results, it’s a top-rated option for anyone looking for a flavorful, set-and-forget Italian comfort dish.

Ingredients

• 3½–4 lbs sweet Italian sausage links, cut in half (Johnsonville recommended)
• 3 small or 2 large bell peppers, any color, seeded and thinly sliced
• 1 large yellow onion, halved and thinly sliced
• Salt and pepper, to taste
• 4 cloves garlic, pressed or minced
• Pinch of red chili pepper flakes (optional)
• 2 jars (24–26 oz each) high-quality spaghetti or marinara sauce (see notes)

For Serving

• Sub or hoagie rolls
• Thinly sliced provolone or mozzarella cheese
• Cooked pasta

Instructions

1. Line a small bowl or prep cup with foil and set aside for draining fat.
2. Heat a large 12-inch skillet with high sides over medium-high heat. When hot, lightly spray with nonstick spray.
3. Add as many sausage halves as will fit in a single layer. Sear until golden brown on all four sides (they do not need to be cooked through). Transfer sausages to a 6-quart slow cooker, then pour the rendered fat into the foil-lined cup.
4. Repeat with the remaining sausage pieces, reducing the heat slightly if they brown too quickly.
5. After the final batch, drain all but 1 tablespoon of fat from the skillet. Increase heat slightly.
6. Add the sliced peppers and onions, season with salt and pepper, and sauté for 3–5 minutes, or until they begin to soften.
7. Add garlic and red chili flakes (if using) and sauté 1 minute more. Transfer the vegetables to the slow cooker.
8. Pour the marinara or spaghetti sauce over the sausage and vegetables. Add a few tablespoons of water to each empty jar, shake to loosen remaining sauce, and pour into the slow cooker.
9. Stir gently to combine, cover, and cook on LOW for 5–6 hours, or until the sausages are extremely tender.
10. Use a spoon to skim excess fat from the top before serving.
11. For sandwiches: Butter and toast the rolls, add sausage and peppers with a spoonful of sauce, top with cheese, and broil until melted.
12. Alternatively, serve the sausage and peppers over hot cooked pasta.

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Tips

• Browning the sausage adds deep flavor and helps keep the sausage texture intact during slow cooking.
• Leaving a little fat in the pan helps the peppers and onions sauté properly.
• Use high-quality marinara for the best flavor; bland sauces produce bland results.
• Skimming the fat at the end gives a cleaner, lighter sauce.
• Toasting the rolls prevents them from becoming soggy once filled.

Variations and Substitutions

• Spicy option: Use hot Italian sausage or add extra chili flakes.
• Chicken sausage: A lighter alternative that still works well in the slow cooker.
• Veggie boost: Add mushrooms or sliced zucchini during the last 1–2 hours of cooking.
• Sauce swap: Replace marinara with crushed tomatoes plus Italian seasoning for a less sweet option.
• Cheese choices: Provolone melts beautifully, but mozzarella or fontina also work great.

FAQs

Do I have to brown the sausage first?
It’s highly recommended. Browning adds flavor and prevents the sausage from becoming too soft.

Can this be cooked on HIGH?
Yes. Cook on HIGH for 3–4 hours, though the texture is best when cooked on LOW.

Can I meal prep this?
Absolutely. It reheats very well and tastes even better the next day.

Can I freeze leftovers?
Yes. Freeze sausage, peppers, and sauce in airtight containers for up to 3 months.

Does the sauce get watery?
No, as long as you sauté the vegetables first and avoid adding excess liquid.

Serving Suggestions

• Pile onto toasted hoagie rolls with melted provolone for classic sausage-and-pepper subs.
• Serve over pasta such as penne, rigatoni, or linguine.
• Spoon alongside garlic bread, roasted potatoes, or a simple green salad.
• Add to rice bowls for an easy weeknight dinner.

Why You’ll Love This Recipe

• Slow-cooked flavor with almost no hands-on work.
• Tender, juicy sausages with rich sauce and perfectly softened peppers.
• Ideal for sandwiches, pasta dishes, or feeding a crowd.
• Easy to customize with different sausages, vegetables, or heat levels.
• A dependable, comforting meal that works for game day, parties, or family dinners.