Ingredients
- 2 tablespoons olive oil, divided
- 1 pound ground beef
- 1 (1.25-ounce) package taco seasoning
- 4 (12-inch) flour tortillas
- ½ cup nacho cheese
- 4 tostada shells
- ½ cup sour cream
- 2 cups shredded lettuce
- 1 Roma tomato, diced
- 1 cup shredded Mexican blend cheese