Place all ingredients for meatballs into a large mixing bowl. Use your hands to thoroughly combine. Form into 1½-inch balls. In a large oven-safe saute pan, place meatballs in a single layer. Turn heat to medium-high, cover pan and let cook for 10 minutes.
Preheat oven to 375degF
In a sauce pan over medium heat, combine all ingredients for beans. Stir occasionally. Once it starts to bubble, reduce heat to low and and keep warm until ready to serve.
In a small bowl add sauce ingredients, and stir well to combine.
Remove lid from meatballs and drain off excess grease. Pour sauce over top of meatballs and replace lid. Place in oven for 20 minutes.
Carefully remove pan from oven and remove lid. Sprinkle with remaining cheese, replace lid and cook another 10 minutes. Let cool for at least 5 minutes before starting to serve.
In a shallow bowl, add a portion of beans in the bottom. Place 5-6 meatballs (with gooey cheese) on top. Serve with 2 tortillas.