Peanut Butter Dog Biscuits. 1 cup crunchy peanut butter, 1 large egg, 1/4 cup honey, 1 cup old fashioned oats, 2 cups whole wheat flour, 1/3 cup vegetable oil, 1/3 cup water. Optional: 4 squares white almond bark, 1 teaspoon vegetable oil, sprinkles.