In a medium bowl combine flour, baking powder, salt, 3 tablespoons sugar, cinnamon, and nutmeg. Whisk the ingredients together to get any lumps out and aerate. (Or you can sift them together.)
In a small bowl, whisk together eggs, milk, and vanilla extract.
Add wet ingredients to dry and stir together. Refrigerate for 2 hours.
Heat 1 to 2 inches of oil in a deep skillet or Dutch oven to about 365-375 degrees.
Fold diced apple into batter.
Drop dough by spoonfuls into oil and fry until golden brown.
Stir 1/2 cup sugar and whiskey together in a bowl. Roll fritters in whiskey mixture immediately after removing from oil.