Stacked Sweet Potato and Black Bean Enchiladas

Ingredients (16)

• 2 small sweet potatoes,
• 2 tablespoons olive oil,
• 1 yellow onion,
• 1 red bell pepper,
• 2 cloves garlic,
• 3 cups packed spinach leaves
• 15 oz black beans,
• 1 teaspoon ground cumin
• 1 teaspoon chili powder
• 1 tablespoon fresh lime juice
• 1/3 cup chopped cilantro
• Salt and pepper,
• 20 oz enchilada sauce
• 10 small corn tortillas
• 2 cups shredded Mexican blend cheese or cheddar cheese
• 1 avocado