The closest thing I can think of is spaghetti squash (do a web search and look at photos), which when you cut it in half, you create "spaghetti" by scraping out

The closest thing I can think of is spaghetti squash (do a web search and look at photos), which when you cut it in half, you create "spaghetti" by scraping out the insides with a fork. A viable pasta alternative if you're trying to reduce carbs.