Beetroot
Butternut Squash.
Butternut Squash.
Just what I was going to say.
I'll throw in the sweet potato. Much better than the normal variety.
If beetroot is overlooked, it thoroughly deserves to be.
I can't recommend this enough. Beetroot and horseradish pie. I have beetroot a lot, delicious.
http://www.waitrose.com/home/recipes/recipe_directory/b/beetroot_and_horseradish_pie.html