Butter an 8×8 pan. Mix melted butter with brown sugar – beat until smooth. Beat in egg and then vanilla. Add salt, stir in flour. Mix in any additions (below).
Pour into prepared pan. Bake at 350°F 20-25 minutes, or until set
in the middle. Cool on rack before cutting them.
Recipe by In Good Taste at http://ingoodtaste.kitchen/chocolate-chip-blondies/