These decadent Peanut Butter Crunch Brownies come from my 100 Cookies cookbook, and I couldn’t resist baking them in the shape of a heart for Valentine’s Day. Peanut butter and chocolate go together like eggs and bacon, macaroni and cheese, coffee and doughnuts; maybe even Romeo and Juliet. It’s a favorite combination, and the perfect way to celebrate any holiday. The layers are comprised of My Favorite Brownie…
