Cream butter and sugar until light and fluffy. Add eggs one at a time. Add buttermilk. Add baking soda, flour and lemon zest. Stir in lemon extract, mix until well combined. Wrap tightly and refrigerate for 4 hours .Preheat oven to 400 degrees. Roll dough to 1/8 inch on a floured surface. Cut with cookie cutters, place on parchment lined baking sheets. Bake 6 - 7 minutes. Cool on rack.
This recipes makes 4 - 5 dozen depending on the size of your cookie cutters.
Notes
Citrus glaze - In a medium mixing bowl mix 1 1/2 cups powdered sugar with orange juice (add 1 - 2 tablespoons at a time) until you have a thin spreading consistency. I also like to add 1 teaspoon fresh orange rind and lemon rind grated to my glaze. Spread glaze on cooled cookies.