Hash Brown Tostadas

Name: Hash Brown Tostadas
Ingredients: One 15-ounce can black beans, drained; One 4-ounce jar diced pimentos, drained; 1 lime, zested and juiced; 1/2 small red onion, diced; A sprinkle of chopped fresh cilantro; Kosher salt; One 30-ounce bag frozen hash browns, thawed; 1 cup grated pepper jack cheese; 4 tablespoons (1/4 cup) butter, melted; Kosher salt and freshly ground black pepper; Nonstick cooking spray, for the waffle iron; Butter, for frying; 4 large eggs; 1/2 cup store-bought guacamole; 1/2 cup store-bought salsa; 4 tablespoons sour cream; Hot sauce, to taste