Wildgrain Box + Free Sourdough LoafChange delivery frequency, skip, or cancel at any time. Each Wildgrain Box comes with the makings of 30+ individual meals. The Box includes a rotating assortment of sourdough breads, fresh pastas, and artisan pastries. All are bake from frozen (no thawing necessary!) and ready to eat in 30 minutes or less. Here's a look at what's in each Wildgrain Box: 3 Sourdough Breads: Our fermentation process creates bread that's full of health benefits: it's