Homemade Vanilla Wafers

Bahan-bahan (60 porsi)

• ½ cup butter (room temperature)
• 1 cup sugar
• 1 egg
• 2 tablespoons vanilla extract
• 1 tablespoon milk
• 1½ cups all purpose flour
• ¾ teaspoon baking soda
• ½ teaspoon kosher salt