Add egg, lemon juice, lemon zest and food color, then beat again until fluffy.
Mix flour and baking soda, then add to butter mixture, mixing by hand until combined.
Form into 1 1 /2 inch balls, then chill for an hour.
After chilling, roll each cookie ball in powdered sugar, making sure to coat well. Bake on a parchment lined baking sheet at 375 for 10-12 minutes. Don’t crowd the cookie sheet since they spread.
I am not a health professional and nutrition data is calculated programatically. Accuracy may vary with product selection, calculator accuracy, etc. Consult a professional for the best information.