Sandwich Filling

Ingredients

• ½ pound lean ground beef
• 8 ounces tomato sauce
• ½ cup finely chopped onion
• ½ cup chopped black olives
• ¼ cup chopped pimento peppers
• 1 (8 ounce) can mushrooms, drained and chopped
• 8 ounces extra-sharp Cheddar cheese, shredded
• + 3 more ingredients
• • 1 ½ teaspoons chili powder
  • salt and ground black pepper to taste
  • 4 hamburger buns, split

1. Preheat oven to 400 degrees F (200 degrees C). 2. Cook and stir ground beef in a large skillet until well browned, about 10 minutes; drain fat. Place cooked beef in a large bowl. Stir in tomato sauce, onion, black olives, pimentos, mushrooms, Cheddar cheese, chili powder, salt, and black pepp...

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