The flesh inside is white and firm, and it can be sliced into cubes, sticks, or slivers. Trim off any brown spots before slicing, but there are no seeds or core to remove.
Is brown jicama OK to eat?
I found brown spots inside. Is it edible? This is where the Jicama went bad, like a potato. You should not eat this part.
How do I know if my jicama is bad?
How to tell if jicama is bad or spoiled? The best way is to smell and look at the jicama: discard any jicama that has an off smell or appearance; if mold appears, discard the Jicama.