Step 1

Preheat oven to 425F.

Step 2

Dump ground beef into a large saute pan over medium-high heat, along with a dab of margarine or butter.

Step 3

Crumble the ground beef well as it cooks.

Step 4

Add the diced onions to the pan with the ground beef while it's cooking.

Step 5

Stir well and continue cooking until the onions are translucent and the ground beef is fully cooked.

Step 6

Add the canned corn to the pan and stir well.

Step 7

Add the water, gravy mix, salt, pepper, onion powder and garlic powder to the pan and stir until all of the ground beef is coated in gravy.

Step 8

Dump the ground beef mixture into a greased 9 x 13 inch baking dish and spread it out evenly.

Step 9

Set the dish aside while you prepare the mashed potatoes.

Step 10

Pour the water and margarine into a medium saucepan and bring to a boil.

Step 11

Once the water is boiling remove the pan from the heat and pour in the mashed potato mix and the milk.

Step 12

Stir just until combined and then let the potatoes sit for 1 minute.

Step 13

After one minute stir until smooth and creamy.

Step 14

Spread the mashed potatoes over the ground beef mixture in the baking dish.

Step 15

Place the tater tots in a single layer on top of the mashed potatoes.

Step 16

Place the dish in the oven and bake the casserole for 30 minutes.

Step 17

After 30 minutes remove the dish from the oven and sprinkle the shredded cheese on top of the tater tots.

Step 18

Return the dish to the oven and continue baking until the cheese on top is completely melted and just starting to brown. 4-6 minutes.

Step 19

Remove the casserole from the oven and allow it to sit for a few minutes before serving.

Step 20

Enjoy!