Preheat the oven to 350 F
In a large bowl, whisk together the egg, coconut sugar, coconut oil, vanilla extract, and peppermint extract until smooth.
Add in the almond flour, oat flour, baking soda and salt and stir together. Fold in the white chocolate chips.
Flatten the mixture into a 9 x 9 or 8 x 8 pan lined with parchment paper. Bake for 15-18 minutes, until the top starts to brown. I like mine closer to 15 minutes for a gooey center.
Let the cookie bars cool completely before icing.
For the peppermint icing, mix together the vanilla frosting with the peppermint extract. If your frosting is firm, you can microwave it for 10-15 seconds to soften.
Spread it over the cookie bars, then sprinkle shaved chocolate over the top. I use a vegetable peeler to make chocolate shavings. Slice into squares and enjoy!
Store leftovers in an airtight container for up to 1 week.