Pumpkin Whoopie Pies with Buttercream Filling

Ingredients

• 3 cups all-purpose flour
• 1 tsp baking powder
• 1 tsp baking soda
• 1 tsp salt
• 2 tsp ground cinnamon
• 1/2 tsp ground ginger
• 1 cup Golden Barrel organic cane sugar
• 1 cup Golden Barrel Dark Brown Sugar
• 1 cup Golden Barrel Coconut Oil, melted
• 2 cups (1-15 oz can) Pumpkin
• 2 eggs
• 1 tsp vanilla extract
• 1 egg white
• 1 Tbsp vanilla extract
• 2 Tbsp all-purpose flour
• 2 Tbsp half and half (or milk)
• 2 cups Golden Barrel confectioners' sugar
• 3/4 cup (1 1/2 sticks) butter, at room temperature