Oven-Baked 4-Ingredient Potato Au Gratin Cups

These charming individual Potato Au Gratin Cups are a treasured heirloom from your Aunt Elaine’s kitchen—elegant enough for company, effortless enough for a busy afternoon. Baked in a muffin tin for perfect single servings, they feature thinly sliced potatoes layered with real cream, a whisper of onion, and a generous blanket of cheese that melts into golden, bubbling perfection.

With just four simple ingredients, this recipe captures the grace of mid-century entertaining while remaining utterly practical for today’s table.

Why You’ll Love This Recipe

🥔 Only 4 ingredients—pantry staples!
⏱️ 15 minutes prep, 40–45 minutes bake
💛 Muffin tin = built-in portion control + easy serving
💸 Costs under $7—makes 12 generous cups
🌾 Naturally nut-free & easily gluten-free

Ingredients You’ll Need

(Standard 12-cup muffin tin; serves 6–12)

2 lbs Yukon Gold or Russet potatoes, peeled and thinly sliced (⅛-inch thick)
1½ cups heavy cream
½ cup finely minced onion
2 cups shredded sharp cheddar or Gruyère cheese
Salt & white pepper to taste
Optional: Pinch of nutmeg or a light buttering of the muffin tin

💡 Aunt Elaine’s Pro Tips:
Slice potatoes evenly—a mandoline ensures uniform tenderness.
Do not rinse slices—starch helps thicken the cream.
Grease muffin tin well—these cups cling if under-greased!