Preheat the oven to 225 degrees

In a standing mixer, add in the egg whites and cream of tarter.

Mix on medium speed until soft peaks form and then increase to faster speed.

Alternating between the sugar and powder sugar, add in 1 Tablespoon at a time until stiff peaks form.

Add in the lemon and the food dye and mix until combined.

Using a pastry bag with a star tip, pipe on the meringues onto a baking sheet lined with parchment paper.

Bake for 1 hour