Move the oven rack to the middle position and preheat to 375 degrees F.

Lightly grease a 9x13-inch baking dish with cooking spray. Set aside.

Brown the ground beef in a large skillet over medium-high heat, and then drain excess fat.

Add the onion and cook until the onions are translucent for about 5 minutes.

Add the garlic and cook while constantly stirring, until fragrant, about 1 minute.

Stir in Worcestershire sauce and salt and pepper.

Transfer ground beef mixture to the prepared baking dish and spread evenly.

In a medium bowl, combine condensed soup and sour cream. Spread over the beef mixture, followed by frozen mixed veggies, followed by the cheddar cheese.

Finally, top with tater tots.

Bake for 35 to 40 minutes or until tater tots are golden brown and cheese is melted.

Serve immediately.