Ingredients
Method
- Whisk flour, cocoa, baking soda, and a pinch of salt.
- Cream butter and brown sugar, then beat in egg and vanilla.
- Stir in the dry ingredients and chocolate chips until combined.
- Scoop onto lined sheets and bake at 350F for 9 minutes.
- Press a marshmallow into each cookie and bake 2 more minutes until just melted.
Notes
Pop them under the broiler for 30 seconds if you want toasty golden marshmallow tops.
