Brown ground beef. Add salt, pepper, and garlic powder.

Meanwhile, cut up onions, carrots and mushrooms. Add them to the browned beef.

Add corn and peas and simmer for 5 minutes.

Add cream of mushroom, sour cream, and chicken broth. Simmer until bubbly.

Preheat oven to 375°F.

Pour beef mixture in a 13x9 pan and arrange the tater tots on top. Bake until golden brown.