Our lemon cookies made from cake mix are so easy to make - they only require four easy ingredients! I used the Duncan Hines Perfectly Moist Lemon Supreme cake mix because it was on sale!

To find the best option on the shelf, I made the yellow-cake version of Pillsbury's Moist Supreme mix, Duncan Hines' Perfectly Moist mix, and Betty Crocker's Super Moist mix. For consistency ...