Try this Maple Oat Puppy Treats recipe.
Commercial pet biscuits typically rely on extrusion machinery and chemical preservatives to achieve shelf stability, whereas home-baked versions depend entirely on thermal dehydration. Combining boiling water with large flaked rolled oats initiates starch gelatinization, softening the grain structure before mechanical mixing begins. Ground flaxseed supplies soluble mucilage gums that act as a thermal binder, compensating for the absence of gluten networks in brown rice flour.
Mashed ripe bananas introduce both natural fructose and high water activity, meaning the baking phase functions primarily as a slow dehydration process rather than standard cake leavening. Operating the oven at a low 325 degrees Fahrenheit prevents the exterior starches from caramelizing prematurely while internal moisture evaporates. Mixing the brown rice flour for a solid three to four minutes develops structural cohesion within the sticky mass, allowing piped portions to hold their shape on the parchment-lined baking sheets. Baking takes approximately 1 hour and 30 minutes until the interior matrix loses all free water, yielding a snap that prevents microbial spoilage.