2Place 4 piles of Parmesan cheese in circles on a parchment lined baking sheet. Each pile was about 2 Tbsp each.
3Place an onion slice onto each pile.
4Top each slice with the remaining cheese and seasoning of choice.
5Bake for 20-25 minutes or until golden and crispy.
6Let them cool for a few minutes before eating to ensure that they’ll be nice and crunchy.
7Mix together 1/4 cup mayo, 1/2 Tbsp sugar free ketchup, 3/4 tsp horseradish, 1/8 tsp paprika, 1/8 tsp garlic powder, pinch of black pepper for the dipping sauce.