01 -
Combine salt, flour, and baking soda using a whisk in a medium-sized bowl.
02 -
Whip together softened butter with white and brown sugar for about 2 minutes until creamy. Stir in the egg, peanut butter, and vanilla.
03 -
On the lowest speed, blend the dry mixture into the wet ingredients until it just comes together. Let the dough chill in the fridge for no less than an hour.
04 -
Set your oven to 350°F and preheat it. Cover baking trays with parchment paper. Make room in the freezer.
05 -
Scoop out about 1 tablespoon of dough per cookie, roll into balls, and if you’d like, coat with sugar. Give them 3 inches of spacing on trays and bake for 11 to 13 minutes, until the tops crack slightly.
06 -
Gently press a chocolate heart in the center of each hot cookie. Move them to a plate and pop them in the freezer for 10 minutes so the chocolate stays firm.