Lemon Sugar Cookie Bars

INGREDIENTS

2 1/4 cups

all-purpose flour

1 tsp

baking powder

1/2 tsp

salt

3/4 cup

granulated sugar

Zest of 1 large lemon

3/4 cup

butter, at room temperature

1/4 cup

powdered sugar

large eggs

1 tbsp

fresh lemon juice

1/2 tsp

vanilla extract

1/2 cup

unsalted butter, at room temperature

8 oz

package cream cheese, at room temperature

Zest of 2 lemons

2 tbsp

fresh lemon juice

5 cups

powdered sugar

Colored sugar or sprinkles, optional