Slow Cooker Stuffed Peppers are the kind of dinner that feels generous without asking much from you. The peppers become tender in the slow cooker, the beef and rice filling turns savory and cozy, and the tomato broth keeps everything moist instead of dry. It is a practical weeknight recipe, but it still lands on the table looking colorful and cared for.
This version keeps the process simple and dependable. You prepare the peppers, brown a flavorful filling, spoon it into the shells, and let the slow cooker finish the work. The result is a complete meal with vegetables, protein, rice, sauce, and cheese in every serving.
Why You’ll Love It
- Low effort, big payoff: most of the cooking happens quietly in the slow cooker.
- Family friendly: the filling is hearty, mild, cheesy, and easy to serve.
- Great for planning: leftovers reheat well for lunches or another quick dinner.
Ingredients / Requirements
- 4 large bell peppers, tops sliced off, seeds removed, and usable tops finely chopped
- 1 pound ground beef or lean ground turkey
- 1 cup cooked white rice
- 1 small yellow onion, finely diced
- 2 garlic cloves, minced
- 1 can (15 ounces) diced tomatoes, undrained
- 1 cup shredded cheddar or mozzarella cheese, divided
- 1 teaspoon smoked paprika
- 1 teaspoon dried oregano
- 1/2 teaspoon ground cumin
- 1/2 teaspoon fine salt
- 1/4 teaspoon black pepper
- 1 cup beef or vegetable broth
- 2 tablespoons chopped fresh parsley

Recipe Details
Prep time is 20 minutes, cook time is 6 hours, and total time is about 6 hours 20 minutes. The recipe makes 4 stuffed peppers. Cook on LOW for the most tender texture, or use HIGH for 3 to 4 hours if you need dinner sooner. The peppers should be soft enough to cut with a fork while still holding their shape. A standard 6-quart slow cooker gives the peppers enough room to stand upright without crowding, but a slightly smaller insert can work if the peppers fit snugly.
Substitutions & Variations
Ground turkey works well if you want a lighter filling, while ground beef gives the richest flavor. Brown rice can replace white rice, but it should be fully cooked before it goes into the filling. For a little heat, add a pinch of crushed red pepper or use pepper jack instead of cheddar. If your peppers are very small, use five peppers and divide the filling more lightly. You can also use mozzarella for a milder, stretchier topping or cheddar for a sharper finish. Avoid uncooked rice in this version because the moisture level is designed for rice that has already been cooked.
What to Serve With
These peppers are filling enough to stand alone, but they are especially good with a crisp green salad, roasted vegetables, or warm garlic bread for catching the tomato broth. For a lighter plate, serve one pepper with cucumber salad or steamed green beans. For a heartier dinner, add mashed potatoes or buttered noodles on the side. If you are serving guests, place each pepper in a shallow bowl and spoon a little of the warm broth around the base so the plate looks polished and the filling stays juicy.
Step-by-Step Instructions
1. Prepare the Peppers
Slice the tops from the bell peppers and remove the seeds and white membranes. Keep any usable pepper from the tops and chop it finely for the filling. Rinse the pepper shells, pat them dry, and choose the flattest side so each one can stand upright in the slow cooker. Try not to cut through the bottoms; intact peppers hold the filling better and keep the broth from watering down the inside.

2. Make the Filling
Place a skillet over medium-high heat. Add the ground beef or turkey and cook until browned, breaking it into small crumbles. Stir in the diced onion, minced garlic, and chopped pepper tops. Cook for 3 to 4 minutes, until the onion softens and the mixture smells savory. Drain excess fat if needed. Browning the meat first gives the filling a deeper flavor than adding raw meat directly to the peppers.

3. Combine the Ingredients
Add the cooked rice, diced tomatoes with their juices, smoked paprika, dried oregano, cumin, salt, pepper, and half of the shredded cheese to the cooked meat mixture. Stir until the rice is coated and the filling looks evenly combined. It should be moist, but not soupy.

4. Stuff and Cook
Spoon the filling into the hollow peppers, pressing gently so each pepper is full without being packed too tightly. Stand the peppers upright in the slow cooker. Pour the broth into the bottom around the peppers, cover with the lid, and cook on LOW for 6 hours, or on HIGH for 3 to 4 hours.

5. Add the Finishing Touch
When the peppers are tender, sprinkle the remaining cheese over the filling. Cover again for 10 to 15 minutes, just until the cheese melts. Lift the peppers out carefully with a large spoon, spoon a little tomato broth around them, and finish with chopped parsley.

Frequently Asked Questions / FAQ
Can I prepare these stuffed peppers ahead of time?
Yes. You can prepare the filling and stuff the peppers up to 24 hours ahead. Keep them covered in the refrigerator, then add the broth right before cooking. Cold peppers may need a little extra time in the slow cooker.
Do I need to pre-cook the peppers?
No. The slow cooker softens the raw peppers gently as they cook in the broth. Pre-cooking can make them too fragile, especially if you want them to hold the filling neatly when served.
How should I store leftovers?
Cool leftovers completely, then refrigerate them in an airtight container for up to 4 days. Reheat one pepper in a covered microwave-safe dish for 2 to 3 minutes, or warm several peppers in a covered baking dish until heated through.