I'm not sure how to rate this place. I was expecting a small grocery store; instead I stumbled upon a bookstore with all Christian materials, along with a small section of frozen and canned mockmeats.
If you're out in the northwest suburbs, the ABC Store has an unusual selection of mockmeat deli slices, mock tuna, and Morningstar meal starters. It also has a wide array of canned mockmeats (including canned veggie burgers, which is something I've never seen before). Not all of the stuff here is vegan, but much of it is; make sure to read labels.
They also have a small assortment of spices, and dry bulk grains/beans.
You can't find 75% of the stuff here at your average grocery store, or even at some of the co-ops. That said, the selection isn't huge, and I'm not certain of the quality either.
Lastly, the ABC Store is in a strange location in an office park off of I-94/694, which is the last place you'd expect to find a Christian bookstore or a vegetarian grocery. But at least it's accessible to people in the suburbs, if not necessarily Minneapolis and St. Paul proper.