preheat oven to 350F
warm a pan over medium heat and add 1/2 cup butter
whisk every few minutes and when fully melted lower temp and let it sit to ‘brown’ (should take about 5 min)
take off heat and allow to cool
in a mixing bowl, add in 1/2 cup granulated sugar + 1/2 cup dark brown sugar + browned butter + 1 tsp vanilla
mix in 1/2 cup peanut butter
whisk in 1 egg just until combined
add in 1 1/3 cup all purpose flour + 1/2 tsp baking soda and stir all together
scoop on a lined baking sheet and flatten with a fork creating a criss cross pattern
bake for 8-10 min or until edges are golden