Key Lime Pie Macarons

Name: Key Lime Pie Macarons
Prep time: 1 h
Cook time: 40 min
Total time: 1 h 40 min
Cuisine: American, French
Ingredients: 3 egg whites (100 grams, 3.5 oz); 1/2 cup white granulated sugar (100 grams, 3.5 oz); 1 cup almond flour (96 grams, 3.4 oz); 3/4 cup powdered sugar (90 grams, 3.17 oz); Green food coloring; 1-14 oz can of condensed milk; 1 tablespoon unsalted butter; 1-2 tablespoons key lime zest; 2 egg whites; 1/2 cup granulated sugar (100 grams, 3.5 oz.); 1/4 teaspoon cream of tartar; 1/8 teaspoon fine sea salt; 1 teaspoon vanilla extract; 1/4 cup white chocolate chips (optional to drizzle on top); 1/4 cup graham cracker crumbs