Pre-heat oven 350 degrees
Pour contents of both cans of baked beans into 9x13 baking dish
Add half of the brown sugar (¼ cup) and half of the maple syrup (¼ cup) to beans. Stir and place aside
Brown hamburger meat If adding the onion place in and cook while meat browns.
Add the other half of brown sugar (¼ cup) and half of the maple syrup (¼ cup) to the browning hamburger. Stir and simmer.
Drain liquid from hamburger
Pour hamburger mixture into beans and stir.
Bake at 350 for 20-30 minutes until bubbling.