Potato Pot Pie
["8 oz. mushrooms, sliced", "1 1/2 c. plus 2 Tbsp. mayonnaise dressing", "2 c. chopped cooked turkey or chicken", "1 (10 oz.) pkg. frozen mixed vegetables, thawed and drained", "1/4 c. chopped onion", "1/4 c. flour", "1 1/4 c. milk", "1 tsp. dried basil leaves", "1/2 tsp. salt and pepper (each)", "1 1/2 c. (6 oz.) shredded Cheddar cheese", "2 c. hot mashed potatoes"]
["Cook mushrooms and onion in 2 tablespoons dressing over medium-high", "heat.\tAdd", "flour", "and seasonings.", "Gradually add milk,", "stirring", "until thick.", "Stir in 1 cup dressing, turkey, vegetables\tand", "1 cup cheese.", "Cook 5 minutes.", "Spoon mixture into 1 1/2-quart casserole."]
["mushrooms", "mayonnaise dressing", "chicken", "frozen mixed vegetables", "onion", "flour", "milk", "basil", "salt", "Cheddar cheese", "hot mashed potatoes"]