Preheat oven to 400°F

Brown beef in a skillet

While beef is browning, steam vegetables

Once beef is browned, add 3 tbsp Worcestershire sauce

Put steamed vegetables in skillet with beef and add Worcestershire sauce if desired

Cook mashed potatoes in microwave

Place beef and vegetable mix in the bottom of an 8x8 or 9x9 baking dish

Spoon mashed potatoes evenly over beef and vegetable mixture

Bake in oven for 20 minutes

Serve