Garlic Mashed Potatoes & Beef Bake

1 lb ground beef
1 can cream of mushroom w/ roasted garlic soup
1 tbsp Worcestershire sauce
1 16-oz bag frozen vegetable combo (broccoli, cauliflower, carrots), thawed
3 cups hot mashed potatoes (can be instant)

Brown beef and drain. In 2-qt shallow baking dish, mix beef, 1/2 can soup, Worcestershire, and vegetables. Stir remaining soup into potatoes and spoon over beef mixture. Bake at 400 for 20 minutes.