Oven Omelet
["1/4 c. margarine", "18 eggs", "1 c. sour cream", "1 c. milk", "2 tsp. salt", "2 c. shredded Cheddar cheese", "1 (4 oz.) can mushroom pieces", "1 jar pimiento, drained", "4 green onions, sliced thin"]
["Heat margarine in a 13 x 9 baking dish in 325\u00b0 oven until melted. Tilt dish to coat bottom. Beat eggs, sour cream, milk and salt in large mixing bowl until blended."]
["margarine", "eggs", "sour cream", "milk", "salt", "Cheddar cheese", "mushroom pieces", "pimiento", "green onions"]