Slow Cooker Stuffed Pepper Soup

Description

This Slow Cooker Stuffed Pepper Soup is a hearty, comforting, and flavorful one-pot meal inspired by classic stuffed peppers. It combines tender ground beef, sweet bell peppers, tomatoes, aromatic onions, and rice simmered together in a rich tomato-based broth. This slow cooker recipe delivers all the delicious flavors of traditional stuffed peppers without the extra work of stuffing and baking individual peppers. The crockpot slowly blends the ingredients together, creating a warm and satisfying soup perfect for chilly evenings, busy weeknight dinners, family meals, or meal prep. Every spoonful is packed with savory beef, tender vegetables, and perfectly cooked rice in a flavorful broth seasoned with herbs and spices. This recipe is easy to prepare, budget-friendly, and makes a generous batch that the whole family will enjoy. Serve it with crusty bread, garlic toast, or a fresh salad for a complete and comforting American-style dinner.

Ingredients For the Soup Base

• 2 lbs ground beef
• 1 large yellow onion, finely chopped
• 3 garlic cloves, minced
• 2 green bell peppers, diced
• 1 red bell pepper, diced
• 1 can (28 oz) crushed tomatoes
• 1 can (14.5 oz) diced tomatoes
• 3 cups beef broth
• 1 cup cooked white rice
• 2 tbsp tomato paste

Seasonings

• 2 tsp Italian seasoning
• 1 tsp dried oregano
• 1 tsp paprika
• 1 tsp garlic powder
• 1 tsp onion powder
• 1 tsp salt (adjust to taste)
• ½ tsp black pepper
• ½ tsp red pepper flakes (optional)

For Serving

• Fresh parsley, chopped
• Shredded cheddar cheese
• Grated Parmesan cheese
• Fresh cracked black pepper
• Crusty bread or dinner rolls

Optional Additions

• 1 cup diced carrots
• 1 cup mushrooms
• 1 can kidney beans
• Extra bell peppers
• Fresh basil leaves
• Mozzarella cheese topping

Step-by-Step Instructions

1. Begin by preparing the vegetables. Wash and dice the bell peppers and finely chop the onion.
2. Heat a large skillet over medium heat and brown the ground beef until fully cooked, breaking it apart with a spoon as it cooks.
3. Drain excess grease from the beef if needed.
4. Add chopped onions and cook for 2–3 minutes until softened.
5. Add minced garlic and cook for another 30 seconds until fragrant.
6. Transfer the cooked beef mixture into the slow cooker.
7. Add diced green peppers, red peppers, crushed tomatoes, diced tomatoes, and tomato paste.
8. Pour in the beef broth and stir everything together.
9. Add Italian seasoning, oregano, paprika, garlic powder, onion powder, salt, black pepper, and red pepper flakes.
10. Cover the crockpot and cook on LOW for 6–8 hours or HIGH for 3–4 hours until the vegetables become tender and the flavors combine.
11. About 20–30 minutes before serving, add cooked rice and stir gently.
12. Allow the soup to continue cooking until the rice is warmed through and has absorbed some of the delicious broth.
13. Taste the soup and adjust seasoning if needed.
14. Serve hot in bowls topped with fresh parsley, shredded cheese, or Parmesan.
15. Enjoy with warm bread for a comforting homemade meal.

Tips

• Brown the ground beef first for deeper flavor and better texture.
• Use a mixture of different colored peppers for a sweeter and more colorful soup.
• Add cooked rice near the end to prevent it from becoming too soft.
• For a thicker soup, reduce the broth slightly or add extra rice.
• For a lighter version, use lean ground beef or ground turkey.
• Add extra vegetables to make the soup more filling and nutritious.
• Let the soup rest for a few minutes before serving because the flavors continue to develop.
• Use fresh herbs like parsley or basil for a bright finish.
• Freeze individual portions for easy future meals.
• Add cheese just before serving for a delicious stuffed pepper flavor.

Notes

This Slow Cooker Stuffed Pepper Soup is a perfect make-ahead meal because it tastes even better the next day. The flavors of the beef, peppers, tomatoes, and herbs continue to blend together, creating an even richer and more satisfying soup. It is an excellent recipe for busy families because the preparation is simple and the slow cooker does most of the work.
Store leftovers in an airtight container in the refrigerator for up to 4 days. When reheating, add a splash of broth if the soup has thickened because rice continues absorbing liquid over time. The soup can also be frozen for up to 3 months. For best results, freeze without rice and add fresh cooked rice when reheating.
This recipe is very flexible and can be customized based on your taste. You can make it spicy by adding extra chili flakes, create a cheesy version with mozzarella and cheddar, or add beans for extra heartiness. It is perfect for family dinners, potlucks, meal prep lunches, and cozy winter meals.
Serve this soup with garlic bread, cornbread, crackers, or a simple green salad for a complete and satisfying meal.

Q&A

Can I use uncooked rice in this soup?
Yes, but cooking time and liquid amount may need adjustment. Adding cooked rice at the end gives the best texture.
Can I use ground turkey instead of beef?
Yes. Ground turkey works well for a lighter version.
Can I freeze stuffed pepper soup?
Yes. Freeze in airtight containers for up to 3 months.
How do I make it thicker?
Add more cooked rice or reduce the broth slightly.
Can I make this soup vegetarian?
Yes. Replace beef with beans, lentils, or plant-based meat alternatives.
What cheese goes best with this soup?
Cheddar, mozzarella, and Parmesan all pair beautifully.

Servings

Makes approximately 8 servings

Nutrition (Approx. Per Serving)

• Calories: 390
• Protein: 30g
• Carbohydrates: 38g
• Fat: 16g
• Saturated Fat: 6g
• Fiber: 6g
• Sugar: 8g
• Sodium: 760mg
• Cholesterol: 75mg
• Potassium: 850mg
  Nutritional values are estimates and may vary depending on ingredients, brands, and serving size.