8 tablespoons of butter (unsalted) – one stick
1 cup brown sugar
1 large egg
1 teaspoon vanilla
1 pinch of salt
1 cup all purpose flour
Mix melted butter with the brown sugar, make sure it cools a little before you beat in the egg and vanilla. Add the salt and flour
Bake at 350 for 20 to 25 minutes, until a toothpick comes out clean.