One Pan Mexican Polenta Skillet

Name: Mexican Polenta Skillet
Ingredients: 1 1/4 lb Ground turkey; 1 Avocado; 1/2 Bell pepper, orange; 1 15 oz can Black beans; 1 Cilantro; 2 cloves Garlic; 1/2 Red bell pepper; 1 Tomato; 1 can Tomatoes; 1/2 Yellow bell pepper; 1 Yellow onion, medium; 1 cup Salsa; 1 16 oz tube Polenta, refrigerated cooked; 1/4 tsp Cayenne pepper; 3 tbsp Chili powder; 2 tbsp Olive oil; 1 tbsp Cumin, ground; 2 cups Monterey jack cheese, grated; 1 Sour cream; I cup frozen corn