Ingredients

• 4 green bell peppers, tops and seeds removed
• 1 1/2 pounds lean ground beef
• 1 cup cooked white rice
• 1 egg, lightly beaten
• 1/4 cup finely chopped onion
• 1/2 cup Italian-style bread crumbs
• 1/4 teaspoon salt
• 1/4 teaspoon black pepper
• 1/2 teaspoon garlic powder
• 1/4 cup grated Parmesan cheese
• 1 (28 ounce) can tomato sauce
• 1/4 cup white vinegar
• 2 tablespoons grated Parmesan cheese

Instructions

1. Bring a large pot of water to a boil.
2. Cook the peppers in boiling water until softened, 4 to 5 minutes.
3. Remove peppers from boiling water and rinse with cold water; set peppers aside to drain.
4. Mix together ground beef, cooked white rice, lightly beaten egg, finely chopped onion, Italian-style bread crumbs, salt, black pepper, garlic powder, and 1/4 cup grated Parmesan cheese in a large bowl until evenly mixed.
5. Preheat oven to 350 degrees F (175 degrees C).
6. Divide beef and rice mixture among peppers; stuff each pepper with beef and rice mixture.
7. Place peppers open side up in a 9x13-inch baking dish or shallow roasting pan.
8. Combine tomato sauce and white vinegar in a bowl.
9. Pour tomato mixture over stuffed peppers.
10. Top with 2 tablespoons grated Parmesan cheese.
11. Bake in the preheated oven until heated through, basting the peppers two or three times while baking, about 80 minutes.