Frosted Lemon Sour Cream Sugar Cookies

INGREDIENTS

1/2 cup

butter (room temperature)

2 cups

granulated sugar (approx. 400g)

large eggs

1/2 cup

sour cream (I use 5%)

zest of 2 lemons

juice of 1 lemon

1/2 tsp

baking soda

3 tsp

baking powder

4 1/2 cups

all purpose flour (about 575g)

1/4 cup

butter (room temperature)

2 1/2 cups

powdered icing sugar

juice of 2 lemons*

yellow food coloring (optional)