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Stuffed Pepper Casserole

Stuffed pepper casserole with ground beef and melted cheddar cheese in a baking dish

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This is the ultimate simplified comfort food, capturing all the savory goodness of classic stuffed peppers in an easy, one-pan bake. It’s a family-friendly weeknight hero that’s perfect for using up summer bell peppers and makes for fantastic leftovers.

Ingredients

Scale
  • 1 ½ pounds lean ground beef (90/10)
  • 1 large yellow onion, diced
  • 3 large bell peppers (mix of colors), diced
  • 3 cloves garlic, minced
  • 1 (15 oz) can tomato sauce
  • 1 (14.5 oz) can diced tomatoes, undrained
  • 1 ½ cups uncooked long-grain white rice
  • 3 cups low-sodium beef broth
  • 2 teaspoons dried oregano
  • 1 ½ teaspoons smoked paprika
  • 1 teaspoon garlic powder
  • 1 teaspoon onion powder
  • 1 ½ teaspoons salt
  • ½ teaspoon black pepper
  • 2 cups shredded cheddar cheese, divided
  • Fresh parsley or green onions, for garnish

Instructions

  1. Preheat oven to 375°F (190°C).
  2. In a large skillet over medium-high heat, cook ground beef and onion until beef is browned and onion is soft, about 8-10 minutes. Drain excess grease.
  3. Add diced bell peppers and minced garlic to the skillet. Cook for 4-5 minutes until peppers begin to soften.
  4. Stir in uncooked rice, tomato sauce, diced tomatoes, beef broth, oregano, smoked paprika, garlic powder, onion powder, salt, and black pepper until well combined.
  5. Pour the mixture into a 9×13 inch baking dish. Cover tightly with aluminum foil.
  6. Bake for 35 minutes.
  7. Remove from oven and carefully remove foil. Sprinkle 1 ½ cups of shredded cheddar cheese evenly over the top.
  8. Return to the oven, uncovered, and bake for 10 more minutes, or until cheese is melted and bubbly.
  9. Let the casserole rest for 5-10 minutes before serving. Garnish with remaining cheese and fresh parsley or green onions.

Notes

For a different flavor, try using ground turkey or Italian sausage. Brown rice can be substituted for white rice; add ½ cup more broth and extend bake time by 15-20 minutes. Ensure the dish is tightly covered with foil during the first bake to properly steam the rice.

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