The Best Way to Upgrade Boxed Brownie Mix, According to Duff Goldman. According to the cookbook author, boxed brownie mixes ...

In fact, some of the most underrated items to add to boxed brownies are salty snacks such as pretzels, salty nuts, or even ...

The pastry is made with hazelnuts and salted pretzels that give it a crunchy nuttiness; and once baked, the custard is covered with sugar and blow-torched to create a crisp, sugary brûlée topping.

For a snack-inspired sweet-and-salty treat, try a mix of chopped pretzels and broken up potato chips. After following the packaged instructions, throw a “pinch of salt” into the brownie batter ...