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the best sugar cookie bars with icing

Melt in Your Mouth Sugar Cookie Bars with Buttercream Frosting

Course Dessert
Prep Time 10 minutes
Cook Time 20 minutes
Total Time 30 minutes
Servings 15
Author Julie Blanner

Ingredients

  • 1 c butter softened
  • 1 c vegetable oil
  • 1 c sugar
  • 1 c powdered sugar
  • 1 Tbsp vanilla
  • 2 eggs
  • 4 ½ c flour
  • ½ tsp salt
  • 1 tsp cream of tartar
  • 1 tsp baking soda
  • buttercream icing:
  • 1 c butter softened
  • 5 c powdered sugar
  • ¼ milk

Instructions

  1. Combine butter, oil, sugars & vanilla until smooth. Blend in eggs.
  2. Add flour, salt, cream of tarter & baking soda until blended in.
  3. Preheat oven to 350 degrees.
  4. Press dough into a greased 9x13 {or 9x9} pan, and use parchment paper to smooth the top if desired.
  5. Bake 20 minutes watching carefully as to not over bake.
  6. Combine 1 c softened butter, 5 c powdered sugar and 1/4 c milk until smooth.
  7. Allow bars cool before icing, slice and serve.