Mexican Bean Tostadas

Name: Mexican Bean Tostadas
Ingredients: Ingredients for refried beans; 1 cup Mayocoba beans (or white bean of choice); 1/2 Jalapeño, cut longways; 1/8th White Onion, roughly sliced; 1 teaspoon Cumin, freshly ground; 1 teaspoon Black Pepper, freshly ground; 3 tablespoons Corn Oil; Sea Salt to taste; Tostadas; 1 cup Mayocoba Beans, that we just made; 1 Avocado; 4 tablespoons Queso Fresco, crumbled; 1/2 cup Red Onions, thinly sliced; 1 Vine Ripe Tomato, sliced; 1 Lime; 3 tablespoons Lime Mayo; 4 Tostada Shells (thin ones work best)