Easy Mexican Tostada

Ingredients

• 1 1/2 teaspoons cumin
• 1 large avocado
• 1 Tablespoon chili powder
• 10 tostada shells ((or regular corn tortillas, if making your own tostada shell))
• 1 can Refried Beans
• 1 lb ground beef (,( or substitute cooked shredded chicken, pork or beef))
• 1/4 onion (, diced)
• 1/2 teaspoon EACH paprika and salt
• ¼ teaspoon EACH garlic powder, oregano, black pepper
• 1/2 head lettuce (, finely chopped)
• queso fresco ((or other cheese))
• Mexican crema ((or sour cream))
• Salsa (, pico de gallo or salsa verde)