Easy Crockpot Sausage And Peppers brings big Italian-inspired flavor with barely any prep.
You toss Italian sausage links, three types of bell peppers, onion, garlic, and marinara sauce into the slow cooker, set it, and walk away. Hours later, you come back to a cozy, colorful meal that tastes like you spent the afternoon tending a simmering pot on the stove. The sausages cook whole in the sauce, then get sliced into thick rounds at the end so they stay juicy and hold their shape. A sprinkle of fresh parsley and an optional squeeze of lemon brighten the whole dish right before serving.
This is the kind of recipe that makes weeknight cooking feel manageable, even on days when you barely have time to think about dinner. No stovetop browning, no babysitting, no stirring every ten minutes. Just layer, cover, and let the crockpot do the work while you handle everything else on your to-do list.
Step-by-Step: How to Make Sausage and Peppers in the Crockpot
STEP 1: Place the Italian sausage links in the bottom of your slow cooker. Add the sliced green, red, and yellow bell peppers, the sliced onion, and the chopped garlic. Season with salt, black pepper, Italian herb blend, and crushed red pepper flakes if you want a little heat. Pour the marinara sauce over everything and stir gently to combine.
STEP 2: Cover the slow cooker with the lid and cook on High for 3 to 4 hours or on Low for 6 to 8 hours. The sausages should reach an internal temperature of 160°F and the vegetables should be tender but not mushy. Low and slow gives the flavors more time to meld together.
STEP 3: Carefully remove the sausages from the slow cooker and transfer them to a cutting board. Slice each sausage into thick rounds, about an inch wide. Return the sliced sausage to the slow cooker and stir gently to coat everything in the sauce.
STEP 4: Transfer the sausage and pepper mixture to a serving dish. Sprinkle the chopped fresh parsley over the top. If you like a little brightness, add a squeeze of lemon juice just before serving.
STEP 5: Taste and adjust seasoning with salt and black pepper as needed. Serve hot with your choice of sides, or pile into hoagie rolls for sandwiches.
STEP 6: Let the dish rest for 5 minutes before serving to allow the flavors to settle and the sauce to thicken slightly.
What Goes Into Easy Crockpot Sausage And Peppers
This recipe uses a simple lineup of ingredients that work together to create a rich, saucy dish with plenty of color and texture.
- Italian sausage links – provide savory, seasoned protein that stays juicy when cooked whole in the sauce.
- Green, red, and yellow bell peppers – add sweetness, color, and a slight vegetal bite that softens during the long cook.
- Onion – brings sweetness and depth as it breaks down in the marinara.
- Garlic – adds aromatic sharpness that mellows into the sauce.
- Italian herb blend – reinforces the Italian flavor profile with oregano, basil, and thyme.
- Crushed red pepper flakes – offer optional heat that balances the sweetness of the peppers and sauce.
- Marinara sauce – creates a rich, tomatoey base that ties everything together.
- Fresh parsley – provides a bright, herbaceous finish that cuts through the richness.
Slow Cooker Sausage and Peppers: Tips for Success
- Cook sausages whole, then slice – This keeps them from splitting open and losing moisture during the long simmer.
- Manage condensation – If your slow cooker produces excess moisture, prop the lid slightly open with a wooden spoon during the last hour to prevent a watery sauce.
- Check for doneness – Use an instant-read thermometer to confirm sausages reach 160°F before slicing.
- Stir gently after slicing – Rough stirring can break up the vegetables and make the dish look messy.
What to Serve With Crockpot Sausage And Peppers
Pile the sausage and peppers into crusty hoagie rolls for a classic Italian sausage sandwich with plenty of sauce for dipping. Serve over creamy polenta or mashed potatoes to soak up the marinara and create a hearty, comforting plate. Pair with a simple green salad dressed with olive oil and red wine vinegar to balance the richness of the sausage and sauce. Crusty bread on the side is always welcome for soaking up extra sauce.
Common Questions About Easy Crockpot Sausage And Peppers
Can I use different types of sausage (like chicken or turkey) in this recipe?
Yes, chicken or turkey sausage works well in this recipe. Keep in mind that leaner sausages may cook faster and can dry out if overcooked, so check them earlier than you would pork sausage. The flavor will be milder, but the dish will still be satisfying and saucy.
Is it necessary to brown the sausage before adding it to the slow cooker?
No, browning is not necessary. The slow cooker method is designed to be hands-off, and the sausages will cook through completely in the marinara sauce. Browning can add a deeper flavor and caramelized exterior, but it’s optional and not required for a successful dish.
How spicy is this dish, and how can I adjust the heat?
The heat level depends on whether you add the crushed red pepper flakes and what type of Italian sausage you use. Sweet Italian sausage keeps the dish mild, while hot Italian sausage brings noticeable spice. You can adjust the heat by adding more or fewer red pepper flakes or by choosing a spicier marinara sauce.
Will the peppers get too soft if cooked all day?
Peppers will soften significantly during a long cook on Low, but they usually hold their shape and don’t turn to mush. If you prefer firmer peppers, cook on High for a shorter time or add the peppers halfway through the cooking process. Slicing them thicker also helps them retain more texture.
Can I prepare this dish the night before and start it in the morning?
Yes, you can layer all the ingredients in the slow cooker insert the night before, cover it, and refrigerate overnight. In the morning, place the cold insert into the slow cooker base and start cooking. Just add about 30 minutes to the total cook time to account for the cold start.
Storing and Reheating Your Sausage and Peppers
Store leftovers in an airtight container in the fridge for up to 4 days. The flavors often taste even better the next day after the sausage and vegetables have had more time to soak up the marinara.
Reheat individual portions in the microwave for 1 to 2 minutes, stirring halfway through, or warm the entire batch in a covered pot on the stovetop over medium-low heat until heated through. Add a splash of water or extra marinara if the sauce has thickened too much in the fridge.
This dish does not freeze particularly well because the peppers can become watery and lose their texture after thawing. If you do freeze it, use it within 2 months and expect slightly softer vegetables when reheated.

Easy Crockpot Sausage And Peppers
Ingredients
Equipment
Method
- Add the Italian sausage links to the slow cooker along with the sliced green, red, and yellow bell peppers, the sliced onion, and the chopped garlic. Season with salt and black pepper, then sprinkle in the Italian herb blend and the crushed red pepper flakes if you'd like some heat. Pour the marinara sauce over the top and stir until everything is evenly combined.
- Place the lid on the slow cooker and cook on High for 3–4 hours or on Low for 6–8 hours, until the sausages are fully cooked through and the vegetables are tender. Cooking on Low allows the flavors to develop more fully throughout the day.
- Lift the sausages out of the slow cooker and transfer them to a cutting board. Slice each sausage into thick rounds, then return the pieces to the slow cooker. Gently stir to coat the sliced sausage in the sauce.
- Spoon the sausage and pepper mixture into a serving dish and scatter the chopped fresh parsley over the top. For an extra pop of brightness, add a squeeze of lemon juice just before bringing it to the table.




