These healthy Black Bean Tostadas are made with zucchini and corn and are oh, so delicious. Crispy tortillas are topped with flavorful black beans and fresh vegetables for a nutritious and flavorful Mexican meal.
Preheat broiler to 350 degrees. Wrap the corn tortillas in a paper towel and warm for about 30 seconds. Place tortillas in a single layer on the baking sheet, then spray tops of tortillas lightly with cooking spray.
Heat a large frying pan over medium-high heat. Add olive oil, onions, garlic, and tomatoes to the pan. Cook for 2-3 minutes, then reduce the to medium heat. Let cook for 10 more minutes.