Answer:
Light me up in backyard gatherings
Though not a plant I have leaves. though not a beast I have spine. Though many wouldn't need me I am more valuable than wine.
When you need me, you must find me. When you find me, you no longer need me. What am I?
I’m where yesterday follows today. And tomorrow’s in the middle. What am I?
What force and strength cannot get through I with my unique teeth can do.
I flow from the Homer’s mouth when he sees doughnuts.