Can Dogs Eat Applesauce? Vet-Backed Serving Guide By Dr. Lorenzo Bertelli, DVM. Reviewed By Dr. Grace Mullen, DVM Yes, dogs can eat plain unsweetened applesauce in small amounts. The catch is the label. Many store brands hide sugar, cinnamon, nutmeg, or xylitol, and xylitol is highly toxic to dogs. A safe serving is a teaspoon…