Christmas Sugar Cookie Bars

Ingredients

• 1 stick (1/2 cup) salted butter softened to room temp.
• 1 cup of sugar
• 1 egg
• 1 tsp vanilla
• 2 cups all-purpose flour
• 1 tsp baking powder
• 1/4 cup festive sprinkles
• 2 cups powdered sugar
• 3 tbsp cream cheese softened
• 2 tbsp milk
• additional sprinkles