Ingredients

  • 1 cup All-purpose Flour
  • 1 cup White Whole Wheat Flour
  • 1/2 teaspoons Baking Powder
  • 1/2 teaspoons Salt
  • 1/2 cups Butter
  • 1/2 cups Granulated Sugar
  • 1 whole Large Egg
  • 1 teaspoon Vanilla Extract
  • 1/2 cups Greek Yogurt, Plain
  • FOR THE FROSTING:
  • 1/3 cups Butter, Softened
  • 1-1/4 cup Powdered Sugar
  • 2 Tablespoons Milk
  • 1/2 teaspoons Vanilla Extract
  • 3 drops Red Food Coloring

Method

  • Preheat oven to 350°F. Line a 18 x 13 baking sheet or jelly roll pan with aluminium foil sprayed with cooking spray (or you can use parchment paper). Set aside.
  • In a medium bowl, add flours, baking powder and salt. Stir together, set aside.
  • In a large bowl, beat butter and sugar until creamy. Beat in egg and vanilla extract until combined. Beat in Greek yogurt until combined. Slowly beat in flour mixture until just combined. The dough will be sticky.
  • Spread the cookie dough evenly in the prepared baking pan. I sprayed cooking spray on my hand to evenly spread it out. Bake for 15-20 minutes, just until the sides start to pull away from the pan and the edges are lightly brown. Place on cooling rack to cool completely.
  • Meanwhile, make the frosting. In a bowl add butter, powdered sugar and beat until fluffy. Add milk, vanilla extract and food coloring and beat until evenly combined. If frosting is too thick, add a drop of milk to thin it out. If it is too thin, add more powdered sugar.
  • Spread frosting over cooled bars and top with sprinkles if desired.