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This small-batch sweet potato casserole is the perfect cozy side dish for two (or a generous three). Whether you’re planning an intimate holiday dinner, a special Sunday meal, or just want a comforting dish without leftovers, this scaled-down casserole delivers all the nostalgic flavor of the classic. The velvety mashed sweet potatoes are sweetened with brown sugar and warmly spiced, then topped with golden, gooey marshmallows for that unmistakable holiday touch.

Unlike larger versions, this one bakes quickly and doesn’t sacrifice flavor or texture. A single egg adds light structure, while vanilla enhances the sweetness. It’s rich, homey, and just right when you don’t need a crowd-sized portion.

Recipe Variations

Replace marshmallows with streusel: Mix 1/3 cup brown sugar, 4 tablespoons all-purpose flour, 4 tablespoons softened butter, and 1/3 cup chopped pecans. Sprinkle over the casserole and bake uncovered for 25 to 30 minutes, or until golden and bubbling.
Add a splash of bourbon: Stir in 2 to 3 teaspoons of bourbon or bourbon extract for a subtle boozy warmth that complements the sweet potatoes and spices.
Make it nutty: Stir a tablespoon of finely chopped toasted pecans or walnuts into the sweet potato mixture for texture and added richness.
Try maple flavor: Replace brown sugar with pure maple syrup, or drizzle a teaspoon of maple syrup over the marshmallows before baking.
Go dairy-free: Use coconut milk or almond milk and swap the butter for a plant-based alternative for a non-dairy version.

Sweet potato casserole for two prep: baked sweet potato casserole with browned marshmallows, ready to serve.

What to Serve With Sweet Potato Casserole

Ham or pork: Serve alongside baked ham steak, pan-fried pork chops, or glazed ribs—the sweet potatoes offer a rich contrast to salty, savory meats.
Beef: Try it with meatloaf, hamburger steaks with gravy, or slow-cooked short ribs.
Chicken or turkey: Roast chicken, air fryer thighs, or even a deli-style hot turkey sandwich pair well with the sweet, creamy casserole.
Vegetarian meals: Serve the casserole with sautéed greens, a lentil loaf, or a wild rice pilaf for a well-rounded vegetarian plate.
Brunch pairing: This also makes a lovely sweet brunch side—serve with baked eggs or sausage patties for a cozy weekend breakfast.

How to Store and Reheat Leftover Sweet Potato Casserole

Refrigerate: Let the casserole cool completely, then cover tightly or transfer to an airtight container. Refrigerate for up to 3 days.

Freeze: Although small, this casserole can be frozen. Wrap tightly or transfer to a freezer-safe container. Freeze for up to 2 months. For best texture, freeze without the marshmallow topping and add fresh when reheating.

Reheat: Reheat in a 350°F oven until hot, about 15 to 20 minutes. If refrigerated, keep loosely covered with foil; if frozen, thaw overnight first. Reheat until the center reaches 165°F. Add a few fresh marshmallows during the last 5 minutes if desired for that just-toasted finish.