Beat egg whites until white and foamy.

Add in sugar and food coloring and beat until soft peaks form.

Fold in ground almongs and confectioner's sugar.

Spoon macaron batter into a plastic bag and pipe into 2.5 inch rounds onto a parchment paper lines baking sheet.

Let piped macarons sit for 30 minutes then bake at 275 degrees for 15 minutes.

To prepare frosting, whisk together confectioner's sugar, milk and scooped out dragonfruit.

After macarons have cooled for at least 10 minutes, pipe a small round of frosting in the center of two macarons