Add 2 teaspoons citrus zest (lemon, lime, orange or grapefruit) to dough with the salt. Add 1 tablespoon poppyseeds with the flour.
Add 1/2 cup mini chocolate chips (or finely chopped chocolate) and 2 teaspoons finely chopped fresh rosemary to dough after incorporating flour, mixing gently to combine.
Add 1/3 cup chopped pistachio nuts to dough after incorporating flour, mixing gently to combine.
If you'd like to package these cookies in a DIY oval box as pictured, find the project instructions at midwestliving.com/ovalbox.