Ingredients for - Sandwich Filling

1. Lean ground beef ½ pound
2. Tomato sauce 8 ounces
3. Finely chopped onion ½ cup
4. Chopped black olives ½ cup
5. Chopped pimento peppers ¼ cup
6. Mushrooms, drained and chopped 1 (8 ounce) can
7. Extra-sharp Cheddar cheese, shredded 8 ounces
8. Chili powder 1 ½ teaspoons
9. Salt and ground black pepper to taste 1 ½ teaspoons
10. Hamburger buns, split 4

How to cook deliciously - Sandwich Filling

1 . Stage

Preheat oven to 400 degrees F (200 degrees C).

2 . Stage

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 pepper.

3 . Stage

Spoon sandwich filling on hamburger bun bottoms, spreading to the edges. Filling should be approximately 1/2" thick in the center of the sandwich.

4 . Stage

Bake in the preheated oven until the edges start to bubble, 5-10 minutes. Turn oven to Broil and continue to cook until heated through, about 3 minutes.