Start your morning with these quick and satisfying Southwestern breakfast tostadas. This easy vegetarian dish layers warm corn tortillas with mashed black beans, fluffy scrambled eggs, and fresh toppings. It is a perfect high-protein meal for busy weekdays or a relaxed weekend brunch. Bright flavors from fresh cilantro, juicy tomatoes, and tangy queso fresco bring everything together. A dollop of Greek yogurt adds a creamy finish without heavy sour cream.