We went here for lunch and I enjoyed it enough to come back for dinner the same day.
Everything is vegetarian. Most dishes can be made vegan and/or gluten free. All desserts are vegan.
They don't have much competition in Calgary, so locally they are definitely 5-star "as good as it gets". On a world-wide basis, they are a solid 4.5 stars. Rounding up to 5 overall.