Shepherd'S Pie - cooking recipe

Ingredients

1/4 c. finely chopped onion
dash of crushed thyme leaves
2 Tbsp. butter
1 can (10 3/4 oz.) condensed golden mushroom soup
1/4 c. water
1 1/2 c. cubed cooked beef or 1 lb. cooked ground beef
1 (10 oz.) pkg. frozen peas and carrots
4 servings prepared instant mashed potatoes

Preparation

Cook onion with thyme in butter until tender.
Add remaining ingredients except potatoes.