- Preheat Oven to 300 degrees F 
- Beat egg whites, and slowly add sugar, food coloring, and raspberry extract until stiff peaks form. 
- In a food processor combine almond flour and powdered sugar. 
- Fold your dry ingredients into your wet ingredients. And fold until you get to the ribbon stage. 
- Transfer batter to piping bag. 
- Place your silicone baking mat on your baking sheet and top with parchment paper. 
- Pipe 1 1/2 inch circles on parchment paper. Using your silicone mat as a guide. 
- Tap baking sheet to remove air bubbles. 
- Rest cookies on counter for 1 hour until tops harden. 
- Bake 300 degrees F for 17 mins. 
- Then let fully cool before filling. 
- Meanwhile prepare filling. 
- Whip butter and shortening scraping the sides of the bowl a few times. Then add milk, food coloring and raspberry extract and mix till well combined. Lastly add powdered sugar and whip till fluffy. 
- Transfer filling to a piping bag and add to the center of a cookie. And top with another cookie. 
- And Enjoy!