Aunt Sassy Cake, Or Pistachio Layer Cake With Honey Buttercream

Ingredients

• 1 cup shelled pistachios
• 2-1/2 cups cake flour
• 3/4 cup all-purpose flour
• 1 Tbsp baking powder
• 1 tsp baking soda
• 3/4 tsp salt
• 1 cup butter, softened
• 1-3/4 cups sugar, divided
• 1 Tbsp pure vanilla extract
• 2 large eggs
• 1-1/2 cups ice water
• 3 large egg whites, at room temperature
• 1/4 tsp cream of tartar
• 1-1/2 cups sugar
• 1/3 cup all-purpose flour
• 1-1/2 cups whole milk
• 1/3 cup heavy cream
• 3 sticks unsalted butter, softened, and cut into small pieces
• 1 tsp pure vanilla extract
• 3 Tbsp good honey