Sweet Potato and Black Bean Enchiladas

INGREDIENTS

3 tbsp

vegetable oil

1 cup

chopped red onion

4 cloves

garlic, minced

2 tbsp

brown sugar

1 tbsp

ground cumin

chipotle chile in adobo sauce, minced (seeds removed for less heat) plus 1 teaspoon of the adobo sauce

2 cans

each) black beans, drained and rinsed

1 lb

sweet potatoes, peeled and diced

2 cans

each) enchilada sauce

(6-inch) flour tortillas

2 cups

grated Cheddar cheese