Pre-heat oven to 350 degrees
Remove polenta from packaging and crumble with your hands and add salt and pepper to taste. Push down into a 9x9 casserole dish greased with cooking spray to form the base. Bake for 15 minutes.
While polenta is baking, begin preparing the ground beef. Add oil to a heated skillet along with onions and sauté for 1-2 minutes
Add ground beef, diced chiles and seasonings to skillet, breaking into crumbles until cooked through
When ready, remove polenta from the oven and layer with ground beef, black beans, cheese, olives and green onion
Bake for 15-20 minutes or until cheese is melted.
Top with green onions and cilantro and serve!
