Step 1

Tostada shells: Line a large baking sheet with a silicone mat and place tortillas in a single layer. Spray both sides of the tortillas with cooking spray and a sprinkle of salt. Bake at 400 degrees F for 6 minutes per side.

Step 2

Guacamole salsa: Mix tomato, avocado, red onion, cilantro, cumin, chili powder, salt and lime juice.

Step 3

Assemble tostadas: Top each shell with guacamole salsa, beans, chicken and cheese.