My list:
Potatoes
Tomatoes
Carrots
Peas
Parsley
Sunflowers
Sesame
Winter squash
Corn
Sweet Potatoes
Beans
Cow-peas
Chickpeas
Basil
Oregano
Garlic
Melons
Beets
Berries
Grains
You could survive on the first 7 on this list, plus milk, eggs, and meat. But the rest make it more enjoyable. Feel free to substitute anything you like.
What about Swiss Chard? Survives most MA Winters.