The phrase "less maple" means that there is not as much maple, either referring to the quantity or quality of maple.
Sentences with «less maple»
I personally think I will use less maple syrup next time, but my husband loved the amount of sweetness. (makingthymeforhealth.com)
If I wanted to use less maple syrup (I don't like things very sweet) what should I substitute to keep the right consistency? (bojongourmet.com)
I followed recipe exactly with the exception of using a little less maple syrup (my bananas were SUPER ripe and sweet) and they are just perfect! (makingthymeforhealth.com)