BIRTHDAY CAKE MACARONS
Whisk together almond flour and powdered sugar - set aside!
add egg whites to bowl of stand mixer
Add cream of tartar
Add sugar and whip until stiff glossy peaks
Fold in almond flour mixture
add coloring (if needed)
Add batter to a piping bag
Pipe onto Silpat liners add sprinkles if desired
Fill with cake batter buttercream!