Kelsey Smith on Instagram: "This easy Mexican cornbread casserole recipe is made with ground beef, Jiffy corn muffin mix, sweet corn, taco seasoning, Rotel, and cheese. Ingredients ½ pound ground beef 1 can Rotel diced tomatoes with green chilies drained, 10 oz each ½ packet taco seasoning 1 box Jiffy Corn Muffin Mix 8.5 oz ⅓ cup milk 1 large egg 1 can sweet corn drained, 15 oz 1 cup shredded sharp cheddar Directions Preheat the oven to 350ºF (175ºC). Coat an 8 by 8-inch baking dish in cooking s