# What You'll Need:
→ Cookies
01 - 2 cups all-purpose flour
02 - 1/2 cup unsalted butter, softened
03 - 2/3 cup granulated sugar
04 - 1 large egg
05 - 2 tablespoons milk
06 - 1 teaspoon vanilla extract
07 - 1/2 teaspoon baking powder
08 - 1/4 teaspoon salt
→ Cream Filling
09 - 1/4 cup unsalted butter, softened
10 - 1 cup powdered sugar, sifted
11 - 1 tablespoon milk
12 - 1 teaspoon vanilla extract
# Steps to Follow:
01 - Preheat oven to 350°F and line two baking sheets with parchment paper.
02 - Whisk together flour, baking powder, and salt in a mixing bowl.
03 - In a large mixing bowl, beat butter and sugar until light and fluffy.
04 - Beat in egg, milk, and vanilla extract until combined.
05 - Gradually add dry ingredients to wet mixture, mixing until soft dough forms.
06 - Roll dough into 1-inch balls and place 2 inches apart on prepared baking sheets.
07 - Gently flatten each ball with your palm or glass bottom to 1/4-inch thickness.
08 - Bake for 10-12 minutes until edges are golden brown. Cool completely on baking sheet.
09 - Beat softened butter until smooth. Gradually add powdered sugar, then milk and vanilla, beating until fluffy.
10 - Spread or pipe 1 tablespoon cream filling onto flat side of half the cookies. Top with remaining cookies to form sandwich pairs.