Pistachio Macaron with White Chocolate Buttercream – Sugar Geek Show

Ingredients

• 1 ounce almond flour
• 1 ounce pistachio flour
• 4 ounces powdered sugar
• 1 pinch salt
• 2 ounces egg whites (aged overnight in the fridge and brought to room temperature)
• 1/4 teaspoon cream of tartar
• 1 ounce granulated sugar
• 1/2 teaspoon vanilla extract
• 2 drops green gel food coloring
• 24 ounces White chocolate
• 8 ounces heavy whipping cream
• 12 ounces unsalted butter (room temperature)
• 12 ounces powdered sugar (sifted if not from a bag)
• 1 teaspoon vanilla extract
• 1/4 teaspoon salt
• 3 ounces pasteurized egg whites (room temperature)
• 1 tiny drop purple food coloring ((optional) for whiter frosting)