Spicy Refried Beans

INGREDIENTS

• 2 1/2 cups of dry pinto beans
• 3 quarts of water
• 2 tbsp olive oil
• 1 cup onion, finely chopped
• 2 tbsp red pepper flakes
• 1 tbsp paprika
• 1 tsp cayenne pepper
• 1 cup water
• Salt
• Cheddar cheese