In A 10-In. Nonstick Skillet, Saute Onion In Oil Until Tender. Reduce Heat To Medium; Add Egg Substitute. As Eggs Set, Lift Edges, Letting Uncooked Portion Flow Underneath. When The Eggs Are Set, Sprinkle Ham And Seasonings Over One Side. Top With Cream Cheese Cubes. Fold Omelet Over Filling. Cover And Let Stand For 1-2 Minutes Or Until Cream Cheese Is Melted.