Homemade Vanilla Wafers

Ingredients (9)

• 8 tbsp unsalted butter
• 1 cup sugar
• 1/4 tsp Kosher salt
• 1 vanilla bean
• 1 large egg
• 2 tbsp whole milk
• 1 1/2 tsp vanilla extract
• 1 1/3 cups all-purpose flour
• 1 tsp baking powder