Oh was this thread ever made for me!
Jill's Turkey Cottage Pie
3 Tbs. butter
3/4 c. chopped onion (1 medium)
3/4 c. diced celery (1 stalk)
3/4 c. diced carrots (1 medium)
1 large garlic clove, minced
1/3 c. white wine
1-1/2 c. turkey gravy
1/2 tsp. thyme
2 c. cooked turkey, cubed
3/4 c. frozen peas
2 c. mashed potatoes
Melt butter in medium saucepan. Add onion, celery, carrots and garlic. Saute over medium heat, stirring, 8 to 10 minutes. Stir in wine, gravy and thyme. Bring to a low boil. Reduce heat and simmer, covered, 15 minutes. Layer turkey and peas in a 2-quart casserole. Add gravy and vegetable mixture.
Prepare mashed potatoes. Spoon over top of casserole. Bake at 400F for 20 minutes, or until mashed potatoes are golden brown on top.