Vegetarian Sweet Potato Bean Enchiladas

Ingredients (20)

• 3 Tbsp. olive oil
• 2 sweet potatoes
• Salt and pepper
• 1 onion
• 1 red pepper
• 1 large can diced green chilies
• 1 can black beans
• 1 can kidney beans
• 1 can medium olives
• 1 lb. sharp cheddar cheese
• 4 Tbsp. butter
• 1 Tbsp. flour
• 1-2 Tbsp. chili powder
• 1 tsp. cumin
• 2 6 oz cans cans tomato sauce
• 2 cans water
• 2 Tbsp. sugar
• Corn tortillas
• Cilantro
• Sour cream