Mix rinsed and drained beans with nacho cheese sauce. Fry onion and garlic until tender. Add to bean and cheese mixture. Stir in green chilies.
Wrap bean mixture in tortillas. Place in freezer/oven ready container. Top with enchilada sauce and cheese.
To Freeze: Freeze in freezer safe/oven ready container.
To Reheat: Bake from frozen at 350 until heated through and cheese is melted, or microwave until heated through.