Spoon 2 Tbsp. Cooking Creme into small microwaveable bowl; set aside. Whisk remaining Cooking Creme, eggs and black pepper in separate bowl until well blended.
Melt margarine in 10-inch ovenproof skillet on medium heat. Add green peppers; cook and stir 5 min. Stir in onions, ham and egg mixture; cover. Cook on medium-low heat 9 to 10 min. or until centre is almost set.
Top frittata with cheese. Broil, 6 inches from heat, 2 min. or until centre is set and cheese is melted.
Microwave reserved Cooking Creme on HIGH 10 to 12 sec. or until warmed. Drizzle over frittata.