Chicken Tamale Pie

Name: Chicken Tamale Pie
Prep time: 20 min
Total time: 20 min
Cuisine: Mexican
Ingredients: Cooking spray; 1 box Jiffy corn muffin mix; 1/2 c. sour cream; 1 large egg; 1/2 c. corn kernels (canned, fresh, or frozen); 2 tbsp. melted butter; 1 tbsp. extra-virgin olive oil; 1 large onion, chopped; 2 cloves garlic, minced; 1 tbsp. taco seasoning; Kosher salt; 2 c. cooked shredded chicken; 1 c. enchilada sauce, divided; 1 c. shredded cheddar; 1 c. shredded Monterey jack; Freshly chopped cilantro and sour cream, for serving