Preheat oven to 350 degrees. Spray a (9" x 13") baking dish with non-stick cooking spray lightly and set aside.
In a large deep skillet over medium high heat add ground beef & diced onion. Cook until beef is browned and onion is softened.
Stir in garlic and cook for 1 additional minute.
Stir in taco seasoning and enchilada sauce and mix well.
Add in frozen tater tots and mix well until all tots are coated well with meat mixture. Pour mixture into prepared baking dish and smooth out evenly.NOTE: make sure tater tots remain frozen until adding to pot.
Top with shredded cheese evenly. Bake in preheated oven for 15-18 minutes or until tater tots are heated through and cheese is melted.
Serve up with favorite toppings of pico de gallo, green onions, olives, sour cream, etc. Enjoy.