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Roasted Sweet Potatoes with Maple-Thyme Glaze

By America's Test Kitchen

Published on October 14, 2008

Yield

Serves 4 to 6

Roasted Sweet Potatoes with Maple-Thyme Glaze

Ingredients

3 pounds sweet potatoes (about 6 medium), ends trimmed, peeled, rinsed, and cut into ¾-inch thick rounds (see note)¼ cup maple syrup 2 tablespoons melted butter, unsalted2 teaspoons minced fresh thyme leaves 2 tablespoons vegetable oil 1 teaspoon table salt Ground black pepper

Before You Begin

Note that this recipe calls for starting the potatoes in a cold oven. Choose potatoes that are as even in width as possible; trimming the small ends prevents them from burning. If you prefer not to peel the potatoes, just scrub them well before cutting.

Instructions

  1. Whisk 1/4 cup maple syrup, 2 tablespoons melted unsalted butter, and 2 teaspoons minced fresh thyme leaves together in small bowl. Toss potatoes in large bowl with oil, salt, and pepper to taste until evenly coated. Line 18- by 13-inch heavy-duty rimmed baking sheet with aluminum foil and coat with nonstick cooking spray. Arrange potatoes in single layer on baking sheet and cover tightly with aluminum foil. Adjust oven rack to middle position and place potatoes in cold oven. Turn oven to 425 degrees and cook potatoes 30 minutes.
  2. Remove baking sheet from oven and carefully remove top layer of foil. Return potatoes to oven and cook until bottom edges of potatoes are golden brown, 15 to 25 minutes.
  3. Remove baking sheet from oven and, brush potatoes with half of glaze, flip slices over with thin metal spatula, and brush with remaining glaze. Continue to roast until bottom edges of potatoes are golden brown, 18 to 22 minutes longer. Remove from oven; let potatoes cool 5 to 10 minutes; transfer to platter and serve.
Roasted Sweet Potatoes with Maple-Thyme Glaze
Photography by Kritsada Panichgul. Styling by Ashley Moore.

Roasted Sweet Potatoes with Maple-Thyme Glaze

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By America's Test Kitchen
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Yield

Serves 4 to 6

Ingredients

3 pounds sweet potatoes (about 6 medium), ends trimmed, peeled, rinsed, and cut into ¾-inch thick rounds (see note)
¼ cup maple syrup
2 tablespoons melted butter, unsalted
2 teaspoons minced fresh thyme leaves
2 tablespoons vegetable oil
1 teaspoon table salt
Ground black pepper

Ingredients

3 pounds sweet potatoes (about 6 medium), ends trimmed, peeled, rinsed, and cut into ¾-inch thick rounds (see note)
¼ cup maple syrup
2 tablespoons melted butter, unsalted
2 teaspoons minced fresh thyme leaves
2 tablespoons vegetable oil
1 teaspoon table salt
Ground black pepper

Ingredients

3 pounds sweet potatoes (about 6 medium), ends trimmed, peeled, rinsed, and cut into ¾-inch thick rounds (see note)
¼ cup maple syrup
2 tablespoons melted butter, unsalted
2 teaspoons minced fresh thyme leaves
2 tablespoons vegetable oil
1 teaspoon table salt
Ground black pepper

Why This Recipe Works

We wanted a roasted sweet potato recipe that gave us potatoes with a nicely caramelized exterior, a smooth, creamy interior, and an earthy sweetness. We started the sliced potatoes in a cold (versus preheated) oven, covering them with foil, to allow plenty of time for their starches to convert to sugars. We removed the foil after 30 minutes and continued to roast the potatoes until crisp. We had our perfect roasted sweet potato recipe: super-sweet and tender potatoes with a slightly crisp, caramelized exterior.

Before You Begin

Note that this recipe calls for starting the potatoes in a cold oven. Choose potatoes that are as even in width as possible; trimming the small ends prevents them from burning. If you prefer not to peel the potatoes, just scrub them well before cutting.

Instructions

  1. Whisk 1/4 cup maple syrup, 2 tablespoons melted unsalted butter, and 2 teaspoons minced fresh thyme leaves together in small bowl. Toss potatoes in large bowl with oil, salt, and pepper to taste until evenly coated. Line 18- by 13-inch heavy-duty rimmed baking sheet with aluminum foil and coat with nonstick cooking spray. Arrange potatoes in single layer on baking sheet and cover tightly with aluminum foil. Adjust oven rack to middle position and place potatoes in cold oven. Turn oven to 425 degrees and cook potatoes 30 minutes.
  2. Remove baking sheet from oven and carefully remove top layer of foil. Return potatoes to oven and cook until bottom edges of potatoes are golden brown, 15 to 25 minutes.
  3. Remove baking sheet from oven and, brush potatoes with half of glaze, flip slices over with thin metal spatula, and brush with remaining glaze. Continue to roast until bottom edges of potatoes are golden brown, 18 to 22 minutes longer. Remove from oven; let potatoes cool 5 to 10 minutes; transfer to platter and serve.

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