I like to add pecans to the topping for added depth of flavor and texture but if feel free to leave these out or substitute with walnuts or almonds. (theeverygirl.com)
The peppers add a depth of flavor to savor. (marisamoore.com)
The bourbon / maple ingredients added a depth of flavor, and I really liked the crunchy texture from the pecans. (aculturedpearl.com)