Mexican Sopes

Name: Mexican Sopes
Cuisine: Mexican, Latin American, American
Ingredients: 2 cups masa harina (corn flour); 1 1/2 cups warm water; 1/2 tsp salt; 1/4 cup vegetable oil for frying; 1 cup refried beans (black or pinto); 1 cup shredded lettuce; 1/2 cup crumbled queso fresco; 1/4 cup Mexican crema or sour cream; 1 avocado, sliced; Salsa (red or green) to taste