Ingredients

The following ingredients have 12 Servings
  • 1/2 cup butter (softened)
  • 1 cup granulated sugar
  • 1 large egg
  • 1 egg white
  • 1 1/2 Tablespoon sour cream
  • 1 teaspoon vanilla extract
  • 2 1/2 cups all purpose flour
  • 1/2 teaspoon baking powder
  • 1/2 teaspoon salt
  • 1/4 cup unsalted butter (softened)
  • 2 cups powdered sugar
  • 2-3 Tablespoon half and half
  • 1/2 teaspoon vanilla
  • Any color of food coloring (optional)

Instruction

  • Preheat oven to 375 degrees. Grease a 9x13 inch pan and set it aside. In a large mixing bowl combine flour, baking powder and salt then set it aside.
  • In a stand mixer or with beaters, cream together butter and sugar until fluffy. About 3 minutes. Combine egg, egg white, sour cream, and vanilla. Mix together until fully incorporated. Add the dry ingredients until all is fully combined.
  • Gently press the dough into the bottom of your 9x13 inch pan. Bake for 17-20 minutes until the edges are lightly golden and toothpick entered in the center is clean. Let completely cool and frost.
  • To make the frosting, Whip together butter, powdered sugar, and half and half until fluffy. Add vanilla. Add food coloring if using. Spread on the top of the cooled bars.