2 oz (1/4 cup) servings are typical for maple syrup around here. I never find that it is enough for me, but since you have berries, fruit and other goodies, it just may work. To be on the safe side, maybe you should count on 1/3 cup per serving.
Jim - Another transplanted Texan
Former KCBS CBJ
Large and Medium Big Green Eggs , Black 18.5" WSM, Blue Weber Performer - Stainless, Green Weber OTG Kettle , Brinkmann SnP Pro, and a Stainless UDS. One retired Portable Kitchen grill.
Red Thermapen, Maverick ET-732, EdgePro Apex Sharpener.
Avatar is the original 1951 Weber Kettle