First, preheat oven to high broil. Then, brown ½ pound of ground meat in a 10 inch cast iron skillet. Drain and set aside.Next, heat 1.5 tablespoons of EVOO in the same cast iron skillet. Add in minced garlic, sweet potato, and red onion and sauté for 7-10 minutes or until the sweet potatoes are almost cooked all the way through.Add black beans, white beans, sweet corn, and enchilada sauce and bring to a slight boil. Take off heat and sprinkle on cheese.Place cast iron skillet in the oven for 1 minute in order to melt the cheese. Remove and top with sliced avocado and fresh cilantro.Serve with tortilla chips.