In 1 1/2 quart casserole, combine melted butter, flour, salt and pepper.
Gradually stir in milk.
Microwave at medium HIGH (7) 4 to 6 minutes, until slightly thickened, stirring every 2 minutes.
Add cheese and corn.
Microwave at medium HIGH (7) 2 minutes; stir to blend.
In small mixing bowl, beat egg yolks.
Stir in a small amount of cheese sauce; return yolk mixture to sauce, blending well.
Cool slightly.
Insert metal accessory rack.
Preheat oven to 300°E In medium mixing bowl, beat egg whites until soft peaks form.
With a rubber spatula, fold egg whites into cheese sauce just until blended.
Pour into greased 2-quart souffle dish.
Cook on Combination Code 3, 30 to 35 minutes until top is puffed and golden and center is set