Preheat the oven to 400℉ and grease a large baking sheet or pizza pan with cooking spray.
Brown the ground beef in a large skillet; drain excess grease.
1/2 pound ground beef
Stir in the taco seasoning, refried beans and taco sauce; set aside.
One 1 ounce packet taco seasoning, 1 cup refried beans, 1/2 cup taco sauce
Unroll the refrigerated pizza crust onto the prepared pan, pressing it into a 14-inch round circle.
One 13.8 ounce tube refrigerated pizza crust
Bake for 6 minutes.
Spread the beefy sauce over the pizza crust then sprinkle the cheese on top.
2 1/2 cups shredded cheese
Bake for an additional 8-10 minutes or until the cheese is all melted and golden brown around the edges.
Sprinkle the shredded lettuce, diced tomatoes and crushed chips over the pizza.
1 1/2 cups shredded lettuce, 1/2 cup diced tomatoes, 1 cup crushed nacho cheese tortilla chips
Serve with sour cream and taco sauce, if desired.
sour cream and/or taco sauce