Peel and thinly slice the ... both onions and potatoes). Scrub and peel potatoes ... sliced onions. Layer potato slices over the onions. Add ... 250°F for 3 hours.
Preheat oven to 350F. Butter ... milk. Place sweet potato slices in large pot and ... 4 minutes. Add Yukon gold potatoes and simmer, uncovered, for about ... 6 to 8 servings.