This type of green tomato is indeed a tomato that has been harvested before fully ripening. As a result, unripe green tomatoes are generally pretty firm, not very juicy, and have a tart flavor.
Just a few weeks away from tomato glut, I'm looking to cut down the amount of work I'll have to do later. I'm getting a jump start on my tomato harvest and eating them now, green, to avoid having to ...