Gather ingredients: almond flour, powdered sugar, egg whites, granulated sugar, and food coloring if desired
Sift almond flour and powdered sugar together
Whip egg whites until foamy
Gradually add granulated sugar and beat until stiff peaks form
Add food coloring if using
Fold the dry ingredients into the meringue until the batter flows like lava
Transfer batter to a piping bag
Pipe small circles onto a lined baking sheet
Tap the tray firmly to release air bubbles
Let the macarons rest until a skin forms on top
Preheat the oven to 300°F to 325°F
Bake until the shells are set and do not wobble
Let the shells cool completely before removing
Fill with ganache, buttercream, or jam
Sandwich matching shells together
Refrigerate before serving for best texture