Black Bean, Grilled Flank Steak and Guacamole Tostada Stack

Ingredients

 * 8 six-inch corn tortillas
 * 4 six-inch blue corn tortillas
 * vegetable oil, as needed
 * 12 oz flank Steak
 * 1 Cup shredded Monterey jack Cheese
 * 1 Cup cooked black beans, drained
 * ½ Cup sour cream
 * 1 Cup Guacamole (recipe follows)
 * ¼ Cup diced tomatillo
 * 2 Tbsp chopped jalapeño pepper
 * ¼ Cup chopped Onion
 * ¼ Cup chopped tomato
 * 1 California avocado, seeded, peeled and sliced

Directions

 * 1) Fry tortillas in hot oil until crisp; reserve on paper towel.
 * 2) Grill flank Steak and cut in thin slices across the grain.
 * 3) Layer 3 ounces of flank Steak and 1/4 cup shredded cheeses on one corn tortilla; top with blue corn tortilla.
 * 4) Cover blue corn tortilla with ¼ cup black beans and 2 tablespoons sour cream; cover with the final corn tortilla.
 * 5) Spread 1/4 cup guacamole on top and garnish with tomatillo, jalapeño pepper, Onion, tomato and avocado slices.