Sauté sliced mushrooms in 1/4 c. butter till golden.
Season generously with granulated garlic, onion powder and salt; set aside.
Place cut up cooked turkey or chicken in a large fry pan.
Season heavily with additional granulated garlic and onion powder, then sauté till golden.
Mix all ingredients together and spread in a 12”x15” greased casserole dish.
Bake at 300° F. till hot and bubbly.
If this has been made ahead and refrigerated, it may take 2+ hours to bake.
During last hour of baking, may choose to top with buttered Panko bread crumbs with chopped fresh or dried parsley.