01 -
Preheat oven to 400°F (200°C). Place tater tots in an 11x13 baking dish and bake for 10 minutes.
02 -
In a skillet over medium heat, brown the ground beef with the diced onion. Drain excess grease if necessary. Season with garlic powder, onion powder, salt, and pepper.
03 -
Add Thousand Island dressing, ketchup, and dill pickle relish to the beef mixture. Stir until fully combined. Add the Velveeta cheese and mix until it is completely melted.
04 -
Remove tater tots from the oven and transfer them out of the baking dish. Spread the beef mixture evenly into the empty baking dish, then place the tater tots on top.
05 -
Bake the casserole for 20 minutes. Remove from the oven and sprinkle grated sharp cheddar cheese evenly over the top. Return to the oven and bake for an additional 10-15 minutes until the cheese is melted, golden brown, and bubbly.
06 -
Remove the casserole from the oven. Top with shredded lettuce and drizzle with extra Thousand Island dressing if desired. Serve immediately.