Brown the meat and drain excess oil. Spray your pan with Pam and layer your pan, ground beef should cover entire bottom of pan, layer of cheese on top of ground beef, drain corn and layer over cheese, prepare potatoes "mash" milk, butter and salt. Your last layer, spread mashed potatoes over the top entirely, sprinkle paprika on top of potatoes. Bake for 1/2 hour at 350ºF. Slice in square and enjoy.