Preheat oven to 350 F.
In large mixing bowl, whisk eggs, hot pepper sauce, salt, pepper and milk until well combined.
Stir in apples, tomatoes, goat cheese and chives until well combined.
Using 1/3 measuring cup, spoon frittata mixture into oven-safe large skillet or 9-by-9-inch pan.
Bake 25-30 minutes, or until eggs are set.
Let cool slightly then serve.