Baked Sweet Potato Dinner Recipe: Spiced Rum Glaze and Crispy Celery Crown

This baked sweet potato dinner recipe transforms humble roots into a restaurant-worthy centerpiece with a spiced rum glaze and crispy celery crown that elevates every bite.

The secret lies in slow-baking until tender, then finishing with a caramelized glaze that balances sweet and smoky notes—without overpowering the natural earthiness of the sweet potato. I’ve perfected this technique over years of holiday dinners, where it consistently steals the show as both the star and the side dish.

The magic happens in the details: a 30-minute bake at high heat creates that coveted crispy exterior, while the rum glaze—simmered with brown sugar, cinnamon, and a splash of vanilla—adds depth that turns simple sweet potatoes into something extraordinary.

The celery crown, a crispy garnish of celery sticks roasted until golden, adds texture and freshness that cuts through the richness. This isn’t just a side; it’s a complete, balanced meal ready to serve alongside grilled proteins or fresh greens.

What you’ll end up with is a dish that’s visually stunning—golden, glistening, and impossible to resist—and packed with flavor that lingers. The rum glaze caramelizes into a sticky-sweet crust, while the celery crown adds a satisfying crunch that contrasts perfectly with the creamy interior.

It’s the kind of dish that feels special enough for company but simple enough for a weeknight dinner. Ready to impress? Let’s get cooking.

Pair this with a simple green salad or roasted Brussels sprouts for a well-rounded dinner that’s as nutritious as it is delicious. The rum glaze can be adjusted to taste—more cinnamon for warmth, a touch of cayenne for heat—but the technique remains foolproof.

Once you try this, baked sweet potatoes will never be just a side again.

Ingredients for baked sweet potato dinner

Four sweet potatoes, a rum glaze, and crispy celery crown make this dinner unforgettable.

The sweet potatoes are the foundation—organic, uniform size means even baking. I always grab the smooth-skinned variety from Whole Foods or my local farmers' market; they hold up better to roasting. For the rum glaze, spiced rum (like Captain Morgan or Gosling's) adds depth without overpowering, but any aged rum works. The brown sugar needs to be packed—light sugar won't caramelize as well. If you're feeling fancy, Ceylon cinnamon has a more delicate flavor than regular, but don't stress if you only have cassia. The celery? Thick stalks (like the ones in the middle of the bunch) roast best—they won't turn to mush.

No spiced rum? Dark molasses or maple syrup works in a pinch, but you'll lose that boozy depth. Fresh nutmeg is a game-changer—grate it yourself for the best flavor, but pre-ground is fine if you're in a hurry. For the celery crown, cut the stalks lengthwise (not crosswise) so they crisp up nicely. The butter at the end? Cold cubes melt into a rich finish—don't skip this part. If you're avoiding alcohol, orange juice concentrate (reduced) can mimic the sweetness, but the texture won't be quite the same. The orange zest is non-negotiable though—it brightens the whole dish.

Sweet potatoes keep 3-4 days in the fridge if wrapped in foil, but they're best baked fresh. The glaze mixture can be made a day ahead and reheated gently—just add a splash of water if it thickens. For the celery crown, roast it separately for 10-12 minutes at 425°F until golden, then sprinkle with a pinch of salt. Store leftovers in airtight containers for up to 5 days, but honestly, this tastes even better the next day once the flavors meld. Double the recipe—it's worth the extra effort for holiday dinners.

Step-by-step instructions for spiced rum-glazed sweet potatoes

Here's how to transform simple sweet potatoes into a showstopping centerpiece with caramelized edges and a boozy-sweet glaze.

Preheat your oven to 425°F and line a baking sheet with parchment paper. Pierce each of the 4 whole large sweet potatoes with a fork in several places—this prevents them from bursting as they cook. Rub the skin with 1 tablespoon of extra-virgin olive oil and sprinkle evenly with 1 teaspoon of ground cinnamon, 0.25 teaspoon of ground nutmeg, and 1.5 teaspoons of diamond crystal kosher salt. Toss gently to coat.

Arrange the sweet potatoes on the baking sheet, leaving 2 inches between each. Roast for 45-50 minutes until a knife slides in easily and the edges are deep golden brown. Here's the thing—don't overcrowd the pan. Tight spaces create steam instead of crispy skin. If your oven runs hot, start checking at the 40-minute mark.

While the sweet potatoes roast, combine 0.5 cup packed dark brown sugar, 0.25 cup spiced rum, 1 tablespoon pure vanilla extract, 1 teaspoon fresh orange zest, and 0.125 teaspoon cayenne pepper in a small saucepan. Bring to a simmer over medium heat and cook for 5-7 minutes, stirring occasionally, until the mixture thickens slightly and smells richly aromatic.

Watch for the glaze to reduce by about 25%—it should coat the back of a spoon but still be pourable. The alcohol will cook off completely, leaving behind deep caramelized flavors. If you're sensitive to alcohol content, simmer uncovered for an extra 2 minutes to evaporate any remaining rum.

Cut the 1 bunch fresh celery sticks lengthwise into ¼-inch thick strips, keeping them about 3 inches long. Arrange them in a circular pattern on a parchment-lined baking sheet, slightly overlapping like a crown. Brush lightly with 1 tablespoon of extra-virgin olive oil and sprinkle with 0.5 teaspoon freshly ground black pepper. Roast at 400°F for 12-15 minutes until the edges are crispy and golden brown.

This is where the magic happens—the celery transforms from ordinary to extraordinary with just a touch of oil and heat. If they brown too quickly, tent with foil for the last 5 minutes to prevent burning. The crown should hold its shape when lifted, with crispy edges that add texture contrast.

Remove the roasted sweet potatoes from the oven and let them cool slightly for 5 minutes. Halve them lengthwise and transfer to a serving platter. Pour the spiced rum glaze evenly over the top, letting it pool in the center. Immediately top each half with 1 tablespoon of cold unsalted butter, allowing it to melt slightly from the residual heat.

Arrange the crispy celery crowns around the platter for a dramatic presentation. The butter will create a glossy sheen on the glaze while adding richness. If serving immediately, garnish with an extra sprinkle of freshly ground black pepper and a pinch of Ceylon cinnamon for visual appeal. The contrast of crispy celery, tender sweet potato, and glossy glaze makes this dish unforgettable.

Wine and beer pairings for these flavors

Red Wine Pairings

For this spiced rum-glazed sweet potato dish, I reach for a medium-bodied red wine like Pinot Noir from Oregon or Zinfandel from California. The bright acidity of Pinot Noir cuts through the sweetness of the glaze while its red fruit notes complement the caramelized edges.

A 2018 La Crema Pinot Noir has just the right balance—it’s fruity enough to match the rum’s warmth but earthy enough to stand up to the sweet potato’s natural richness. 🍷

White Wine Options

If you prefer white wine, a dry Riesling from Germany or Viognier from Rhône Valley works beautifully. The citrus and stone fruit in Riesling mirror the orange zest in the glaze, while Viognier’s honeyed notes enhance the caramelization.

I love a chilled 2020 Dr. Loosen Blue Slate Riesling—its slight sweetness and crisp acidity make it a perfect match for the dish’s bold flavors.

Beer Complements

A honey-brown ale or amber lager pairs wonderfully with this dish. The malty sweetness of a New Belgium Fat Tire or Sierra Nevada Pale Ale balances the rum glaze’s richness, while the caramel undertones echo the sweet potato’s natural sugars.

For a lighter option, try a Belgian witbier like Hoegaarden—its corianander and citrus notes brighten the dish without overpowering it.

Non-Alcoholic Choices

Don’t worry if you’re avoiding alcohol—sparkling apple cider or ginger beer are fantastic alternatives. A chilled Martinelli’s Sparkling Cider with its dry, crisp finish cleanses the palate between bites, while Feather’s Ginger Beer adds a spicy kick that pairs surprisingly well with the cayenne in the glaze.

Both options keep the meal feeling special without the alcohol.

Serving Temperature Tips

Wine should be served slightly cooler than room temperature—around 55-60°F for reds and 45-50°F for whites. I keep my wines in an ice bucket for 15-20 minutes before serving to achieve the perfect temperature.

For beer, serve amber ales at 45-50°F and witbiers at 40-45°F to highlight their crispness. The right temperature makes all the difference in balancing the dish’s bold flavors. ✨

Frequently asked questions