My husband particularly likes Perkin's Pancake House's Twinberry Syrup. They closed the Perkins by us and I would love to surprise him with a gift of some homemade. I'm pretty sure it's a combination of blueberry and either raspberry or blackberry but I don't have any idea of proportions and I want it to taste the same. I'm hoping someone else might know. Thank you for any and all help given.