Preheat oven to 350 degrees. In a large pot, add in water and potatoes. Bring the water to a boil and once potatoes are tender remove from heat. Strain out the water from the potatoes. With a hand mixer, add in butter, while whipping slowly add in milk. Keep blending til you get a creamy texture. Set pot aside.

In a large skillet, add in ground beef, onion, and garlic. Cook till meat is browned and onion is caramelized. Add in a little bit of Wondra flour a little at a time to soak up the juices. Add salt and pepper. You want to cook the flour taste out. Once the juices seem to be gone then pull your meat from the stove. Add meat to a large casserole baking dish. Open the can of corn and spread it over the meat. Add your potatoes over the corn and meat; spreading evenly. Topping with cheese spreading across the whole dish. Put in oven till cheese is melted and remove and serve.