Chocolate Macarons

Bahan-bahan (40 porsi)

• 105 grams finely sifted or super-fine almond flour, (preferably Blue Diamond Finely Sifted Almond Flour)
• 95 grams confectioners' sugar
• 10 grams Hershey's unsweetened cocoa powder
• 100 grams egg whites, (from approximately 3 large eggs)
• 100 grams granulated sugar
• 1 teaspoon vanilla bean paste
• 1 to 2 drops brown gel paste food color
• 6 tablespoons heavy cream
• 4 oz semi-sweet chocolate
• ½ tablespoon butter
• 1 teaspoon rum ((optional))
• Heavy-duty stand mixer
• Digital scale
• Pastry bag with ½-in (13-mm) tip
• Parchment paper or Silpat baking mat/template