"Maple flavoring" refers to a substance or ingredient that is made to taste like maple syrup or maple. It is often used to add a sweet and distinctive maple taste to foods or drinks. Full definition
I made these muffins with my own GF AP flour, 1/2 cup of the sugar, and added 1 tsp of maple flavored extract in addition to the vanilla. (skinnytaste.com)
Be sure to use pure maple syrup, not pancake syrup, which is simply sugar syrup with maple flavor. (rachaelhartleynutrition.com)
So in this creation, maple flavor for the win! (thehowtozone.com)