Shepherd's Pie

1 sm onion
1-10 oz package frozen baby peas, defrosted
1 lb cooked roast beef ( stew meat, ground beef, or an type of cut, cut into sm but thick pieces)
6 oz already made gravey (homemade, or bottled or canned)
1-4 oz package instant mashed potatoes, plain
1-2 oz package ready bacon, diced fine
pinch Kosher salt and freshly ground pepper to taste
Olive oil

1. Preheat oven to 400 degrees
2.Heat large skillet on the stove, add oil and onion and cook until softened, then add peas for a minute
3. While onion is cooking, chop beef into smallish diced pieces and add to onion mixture to heat through
4. Put beef mixture in a large bowl and add gravy - stir well
5. Cook bacon briefly (just to crip slightly) in skillet that the beef came out of
6. Make potatoes according to package directions, season with salt and pepper, stir in diced
bacon
7. Place beef mixture in bottom of a 9x9 casserole dish and top with the potatoes
8. Place in oven about 30 min until top browns and serve

Serves 6-8