Shepard's Pie

1/4 lb ground hamburger
1 can diced tomatoes and green chilies
1 1/2 cup frozen peas
4 large potatoes
1/2 cub butter
1 cup cheddar cheese
salt and pepper

brown the meat until no longer pink. drain. add diced tomatoes and peas. meanwhile, peal and chopped potatoes and bring a medium sauce pan full of water to a boil. cook potatoes until they are tender with a fork. mash potatoes in a mixer with butter and add salt and pepper for taste. in a 9x9 casserole dish cover the bottom with meat mixture and top with mashed potatoes. sprinkle with cheese on top.
bake for 25 minutes until bubbling and cheese is completely melted.