Mexican Cornbread Reveal Video. Sooooo delicious! MEXICAN CORN BREAD CASSEROLE 1 - 15 ounce box of Famous Dave’s Cornbread Mix ( or 2 boxes of Jiffy Corn Bread Mix) 1 can of Creamed Corn 2 chopped jalapeños 6 ounces Cheddar & Gouda Shredded Cheese ( or Mexican Cheese) 1 1/2 pounds ground beef 1 small red onion 1 can of Rotel Tomatoes ( hot or mild) 1 teaspoon of minced garlic Garnish Sour Cream Jalapeños Lime Sriracha Hot Sauce Prepare your Dutch oven to 350 degrees. For us, we use a 12 inch ove