Preheat oven to 350 degrees and grease a baking dish with non-stick cooking spray.

In a bowl beat in the eggs, butter, and sugar.

Incorporate the flour and nutmeg.

Add the cinnamon, key lime juice, and vanilla extract.

Stir until getting a thick dough

Mix in hazelnuts

Use the hands to shape like balls.

Place in the baking dish, 2 inches apart.

Bake for about 10 minutes.