Crispy Chicken Tostadas

Name: Crispy Chicken Tostadas
Prep time: 10 min
Cook time: 10 min
Total time: 20 min
Yield: 4
Ingredients: Ingredients; 8 corn tortillas (6-inch) or store-bought tostada shells; 2 cups cooked chicken breast, shredded; 1 can (16 oz) refried beans; 2 cups romaine lettuce, finely shredded; 2 large tomatoes, diced; 1 large avocado, sliced; 1/2 red onion, finely diced; 1 cup Mexican crema or sour cream; 1 cup queso fresco or Monterey Jack cheese, crumbled; 1/4 cup fresh cilantro, chopped; 2 limes, cut into wedges; 2 tablespoons vegetable oil (if making shells from scratch); Chicken Seasoning; 1 teaspoon chili powder; 1/2 teaspoon cumin; 1/2 teaspoon paprika; 1/4 teaspoon garlic powder; Salt and pepper to taste