Whisk eggs and milk in large bowl until blended. Add potatoes, onions and hot sauce; mix well. Stir in 1 cup cheese and half the bacon.
Pour into 9-inch pie plate sprayed with cooking spray.
Bake 25 to 30 min. or until center is set.
Top with remaining bacon and cheese; bake 3 to 4 min. or until cheese is melted.