01 -
Line baking sheets with parchment. Prepare piping bag with plain tip. Sift almond flour and powdered sugar together.
02 -
Beat egg whites and salt until bubbly. Gradually add sugar until stiff peaks form. Mix in food coloring and vanilla.
03 -
Fold dry ingredients into meringue in 3 parts. Mix until batter flows like lava and can make figure 8 without breaking.
04 -
Pipe 1-inch rounds onto prepared sheets. Bang sheets to remove air bubbles. Let shells rest 30-60 minutes until dry to touch.
05 -
Bake at 315°F for 12-15 minutes until set. Cool completely. Fill paired shells with buttercream.