Darford GRAIN FREE Pumpkin & Vegetable Recipe. Contains Vitamin A - helps promote healthy eyes. Since 1987, we’ve been making small batches of ovenbaked dog treats. We only ever use the finest, all-natural quality ingredients. Our oven-baked promise means we don’t extrude at any point of the baking process, we don’t compromise on taste or quality, you even can see chunks of our whole natural ingredients in almost every treat. Our entire selection of treats are 100% free from artificial preservatives, colors and flavors. Scrumptious, Crunchy and Oh-So-Irresistible. Darford Oven-Baked Dog Treats. Keeping Tails Wagging since 1987.