Place 48 fl oz (6 cups) milk, Krusteaz Professional Southern Style Cornbread Mix, corn and eggs in mixer bowl.
Using a paddle, mix on low speed 1 minute. Set aside.
Place butter in 20 x 12 x 2 1/2-inch steam table pan. Heat in oven until butter is melted.
Spread cornbread mixture over butter in pan. Drizzle remaining milk over cornbread mixture. DO NOT STIR.
For convection oven, bake at 300°F 50-55 minutes; for standard oven, bake at 350°F 65-75 minutes or until firm and golden brown. Cool 10-15 minutes before serving