Stuffed Bell Pepper Soup

Prep Time: 20 minutes | Cook Time: 45 minutes | Total Time: 1 hour 5 minutes
Serving Size: 6 hearty bowls
Cooking Intensity: Easy to Medium

There’s something deeply comforting about classic stuffed bell peppers—the sweet, tender peppers, the savory meat and rice filling, the rich tomato sauce. But let’s be honest, coring, pre-cooking, and carefully stuffing those peppers can be a project. This Cozy Stuffed Bell Pepper Soup captures every beloved element of the original and transforms it into a simple, spoonable, one-pot wonder. It’s a hearty, vegetable-packed meal that simmers away to perfection, filling your kitchen with an irresistible aroma and delivering a bowl of pure, uncomplicated comfort.

The Secret to Success: The magic of this soup lies in building layers of flavor. We start by browning the meat to develop fond (those tasty browned bits in the pot), then sauté the “holy trinity” of peppers, onions, and garlic to create a robust base. Simmering everything together allows the rice to absorb the rich broth, making each spoonful a complete bite of the stuffed pepper experience.

Ingredients

For the Soup Base:

1 ½ pounds lean ground beef (90/10 or 93/7) (see note for substitutes)
1 tablespoon olive oil or avocado oil
1 large yellow onion, diced
3 large bell peppers (a mix of red, green, and yellow), diced (about 4 cups)
4 cloves garlic, minced

For the Seasoning & Liquid:

2 teaspoons dried oregano
1 ½ teaspoons smoked paprika
1 teaspoon dried thyme
1 teaspoon kosher salt, plus more to taste
½ teaspoon freshly ground black pepper
¼ teaspoon red pepper flakes (optional)
2 (14.5 oz) cans fire-roasted diced tomatoes, undrained
1 (15 oz) can tomato sauce
4 cups beef broth (use low-sodium if preferred)
2 tablespoons Worcestershire sauce
1 tablespoon brown sugar (balances the tomatoes’ acidity)

For the Starch & Finish:

⅔ cup long-grain white rice, uncooked (Jasmine or Basmati work great)
1 cup shredded sharp cheddar cheese, for serving
Fresh chopped parsley or green onions, for garnish

Instructions

1. Brown the Meat & Sauté the Aromatics (Build the Foundation)

In a large Dutch oven or heavy-bottomed soup pot, heat the oil over medium-high heat. Add the ground beef, breaking it up with a wooden spoon. Cook until well-browned and no pink remains, about 7-8 minutes. For the best flavor, avoid stirring too frequently to allow some browning on the meat.
Once the beef is browned, use a slotted spoon to transfer it to a clean plate, leaving the drippings in the pot.
Reduce the heat to medium. Add the diced onion and bell peppers to the pot. Sauté, stirring occasionally, until the vegetables have softened and the onions are translucent, about 8-10 minutes.
Add the minced garlic and cook for an additional minute, until fragrant.

2. Deglaze & Simmer (Develop the Depth)

Return the browned ground beef to the pot with the vegetables. Add the oregano, smoked paprika, thyme, salt, black pepper, and red pepper flakes (if using). Stir for 1 minute to toast the spices.
Pour in the Worcestershire sauce and use your spoon to scrape up any browned bits (fond) from the bottom of the pot—this is pure flavor.
Add the diced tomatoes (with their juice), tomato sauce, beef broth, and brown sugar. Stir well to combine.

3. Cook the Rice (The Heart of the Soup)

Bring the soup to a boil over high heat. Once boiling, stir in the uncooked white rice.
Immediately reduce the heat to low, cover the pot with a lid, and let the soup simmer gently for 25-30 minutes. Do not lift the lid during the first 20 minutes to ensure the rice cooks evenly.
After 25 minutes, check the rice for tenderness. It should be fully cooked and have absorbed much of the liquid, making the soup thick and hearty.

4. Final Adjustments & Serve

Once the rice is cooked, remove the pot from the heat. Let it sit, covered, for 5 minutes.
Taste the soup and adjust the seasoning. You may want to add more salt, pepper, or a splash of Worcestershire sauce.
Ladle the hot soup into deep bowls. Top each serving generously with shredded cheddar cheese and a sprinkle of fresh parsley or green onions. The residual heat will melt the cheese beautifully.

Chef’s Notes & Tips for Success

Meat Variations: Ground turkey, Italian sausage (mild or hot), or a plant-based ground “meat” crumble are excellent substitutes for ground beef. Adjust seasoning as needed.
Rice Note: Using uncooked rice directly in the soup is convenient and allows it to soak up the flavors. For a soup with a thinner consistency or if you plan to have leftovers, consider cooking the rice separately and adding it to individual bowls when serving. This prevents the rice from absorbing all the liquid and becoming mushy upon reheating.
Make it a “Clean Out the Fridge” Soup: Add a cup of frozen corn or green beans in the last 10 minutes of cooking. A handful of fresh spinach stirred in at the end adds color and nutrients.
Slow Cooker Method: Brown the beef and sauté the onions/peppers/garlic as in steps 1-2. Transfer everything to a slow cooker, add all remaining ingredients except the rice and cheese. Cook on LOW for 6-8 hours or HIGH for 3-4 hours. Add the rice 30 minutes (HIGH) to 1 hour (LOW) before serving, and cook until tender.
Storage & Reheating: Store cooled soup in an airtight container in the refrigerator for up to 4 days. The soup will thicken significantly as it sits. Reheat gently on the stovetop, adding a splash of broth or water to reach your desired consistency. Freeze for up to 3 months (note: the rice texture may become softer upon thawing).

Nutritional Information (Per Serving, without added cheese garnish)

Calories: ~385 kcal
Total Fat: 14g
Saturated Fat: 5g
Trans Fat: 0.5g
Cholesterol: 70mg
Sodium: 1250mg
Total Carbohydrates: 37g
Dietary Fiber: 5g
Sugars: 12g
Protein: 28g

*Note: Nutritional information is an estimate calculated using a standard online nutrition calculator with 90/10 ground beef and may vary based on specific ingredients and brands used. Sodium can be reduced by using low-sodium broth and tomato products.*