brown the butter &
whisk in everything else in
the order listed

1 stick browned butter, 2 T butter, 3/4 c brown sugar, 1/4 c sugar, 1 egg+1 yolk, splash cream, 2 t vanilla, 1 t salt, 1/4 t powder, 1/4 t soda, 1.5 c flour, 1 c chocolate chips
whisk, spoon into parchment-lined cast-iron pan; 350 F until middle is just firming