This one depends on how it is prepared and how much your dog gets.
Short answer: Usually yes, with caveats. Raw potato and green potato parts contain solanine, and fried potatoes add too much fat and salt.
Checklist before you share
- Serve it plain, with no garlic, onion, sweeteners, or heavy seasoning.
- Start small, then wait before offering more.
- Keep treats under about 10% of daily calories.
Better alternatives when you are unsure
If this food feels borderline, use safer options like blueberries, carrots, or watermelon.
Small spoonfuls, not a full side dish.
Source check: ASPCA toxic plant guidance flags potato plant parts and green potato concerns. Source