Pistachio Black and White Cookies | Food Stuff

Ingredients

• 1/2 tsp baking powder
• 1/4 tsp baking soda
• 3/4 cup good quality semi-sweet or bittersweet chocolate chips
• 2/3 cup buttermilk
• 2 1/2 cups cake flour
• 2 Tbsp light corn syrup, divided
• 2 large eggs
• 1 cup granulated sugar
• 1/2 tsp lemon or orange zest
• 1/2 cup chopped, roasted and salted pistachios (unsalted can also be used if preferred)
• 1 3/4 cups powdered sugar
• 1/2 tsp salt
• 10 Tbsp unsalted butter, softened
• Seeds of 1/2 a vanilla bean or 1 tsp vanilla
• 1/4 tsp vanilla extract
• 1 1/2 - 2 Tbsp water