Preheat oven to 400

Cut and dice potatoes, then boil until fully cooked.

Cook ground beef, drain, add about 1/4 cup of water, Mix in about half a package of taco seasoning.

In large casserole dish add corn and green beans. Layer the ground beef over top.

When potatoes are fully cooked, mashed, add milk, butter, sour cream, salt and garlic. Layer potatoes over top of ground beef.

Shred marble cheese and place over top of pie

Bake in oven for approximately 40mins