the 11 best brownie mix-ins, ranked
- cookie dough. pin it. ...
- walnuts. walnuts and brownies are one of those classic combinations that never go out of style. ...
- nutella. pin it. ...
- marshmallows and graham crackers. pin it. ...
- salted caramel and pretzels. ...
- fluffernutter. ...
- cream cheese. ...
- oreos.