Shepherds Pie Gunny Stick, Dehydrated Dog Treat In this fun riff on the classic Shepherds Pie beef provides the primary protein source. We have included carrots, peas, and a selection of spices. The potatoes are mixed in rather than over the top. Carrots are a great source of beta-carotene and Peas are a great source for vitamins K and C The savory and irresistible smell and taste will have your dog begging for more. Grain and gluten free, contains no preservative, no colorings and no fillers.