30 years of peanut butter cookies and I finally figured it out

1/2 cup or 1 stick Soft butter 1/2 cup granulated sugar 1/2 cup brown sugar 1/2 cup or 135 gram peanut butter 1 egg large, room temperature 180 gram of all-purpose flour 1 tsp baking soda 1/4 tsp salt Bake at 350F for about 13 minutes, let it cool down on baking sheet for another 5 minutes, they need to set up before being transferred