If using corn tortillas instead of tostada shells, use one of these methods to warm them up: Oven: Preheat your oven to 350°F ...

6. Top each tostada evenly with mashed avocado, shrimp and pineapple salsa. Serve immediately. “The burst of flavor with every bite is mind-blowing: sweetness from the pineapple, zestiness from ...