Key Lime Pie Macarons

Name: Key Lime Pie Macarons
Prep time: 2 h
Cook time: 15 min
Total time: 2 h 15 min
Cuisine: French
Ingredients: 100 grams egg whites (room temperature); 1/4 teaspoon cream of tartar; 60 grams granulated sugar; 110 grams almond flour (sifted); 200 grams powdered sugar (sifted); 2-3 drops green gel food coloring; 57 grams unsalted butter (room temperature); 113 grams cream cheese (room temperature); 60 grams powdered sugar; 1 tablespoon key lime juice; 1 teaspoon key lime zest (optional); 1/4 teaspoon salt; 2 tablespoons graham cracker crumbs (optional)