Mexican Pizzas - cooking recipe

Ingredients

1 lb. hamburger
1 small onion, chopped
1 c. shredded Cheddar cheese
1 c. shredded Mozzarella cheese
3 or 4 (10-inch) flour tortillas

Preparation

Brown hamburger and onion.
Place tortillas on baking sheet. Top with hamburger mixture and cheese, leaving 1/2-inch of tortilla edge uncovered.
Bake at 400\u00b0 until edges are crisp and golden and the cheese is melted, about 8 to 10 minutes.
Top with salsa if desired.