A delicious fudgy brownie with the classic combo of peanut butter and chocolate made without flour or any flour substitute and sweetened only with honey. No one will care about that, though, after they taste one, they'll only care about how great they taste!
Heat oven to 325 degrees and line an 8x8-inch baking pan* with parchment (optional for easy lifting and cutting).
Mix peanut butter, honey, egg, butter and vanilla in a large mixing bowl.
Add remaining ingredients, and 2 tablespoons mini chocolate chips, if using, and mix until incorporated. It's okay if the peanut butter is still swirled in places - it just makes it look marbled.
Evenly spoon dough into prepared pan and spread the dough to fill the pan. Sprinkle with optional remaining 2 tablespoons chocolate chips and press down slightly.
Bake for about 16-18 minutes, until puffed and firm around the edges, with a soft center. Do not over bake.
Let cool in pan on a rack before lifting out of pan and cutting into 20 bars.
Notes
*Note: You can use a 9x9 pan, if that's all you have, but it will produce thinner brownies and you will need to cook the brownies 4-6 minutes less so they don't dry out.