Are you making a "meatless muffin"? Or are you adding your own protein?
My thoughts, there's a on of similar products available, they're just all marketed differently. Honest Kitchen is another one, but it's already cooked, just add water. This one is baked into a muffin- good idea.
If you're trying to save time, then this product is as good as any out there. Won't hurt to try it at least.
Monica, have you considered that Blossom may just have environmental allergies? I know with Blue, we tried just about every protein, cooked and raw but nothing worked. When we finally did allergy testing, it turns out it's environmental.
And right now, allergies are the worst. Even dogs that don't normally exhibit symptoms are having a hard time this season.