Chicken and Black Bean Enchiladas - Half Cup Habit

Ingredients

• 1/2 lb chicken thighs (boneless, skinless)
• 1/2 tsp salt
• 1/2 tsp pepper
• 4 tsp olive oil
• 1 onion (yellow; diced)
• 1 bell pepper (green; diced)
• 2 cups black beans (cooked)
• 2 15 oz can enchilada sauce (red; divided)
• 6 tortillas (flour)
• 1/2 cup cheddar cheese (shredded)
• garnish (cilantro and sliced avocado)