Preheat oven to 375°
Cut bacon into small pieces and place in medium hot skillet with the ground beef.
Add garlic, salt & pepper, and chopped white onion
Continue frying until meat is browned and onion is translucent. Remove from heat.
Pour meat mixture into a casserole dish and spread evenly.
Take ⅓ cup of cheese (half of the cheese) and sprinkle it on top of meat mixture.
Place frozen tater tots in single file rows until all meat is covered.
Bake in oven for 35 minutes.
In the last five minutes of baking, sprinkle the remaining half of cheese on top tater tots and continue baking for an additional 5-10 minutes.