Slice them evenly: I look for long, similarly sized sweet potatoes and cut them about ¼-inch thick so they cook at roughly the same rate and arrange neatly in the pan.
Don't reduce the glaze too far: Heat it only until it begins to bubble. If it gets thick like caramel in the saucepan, it won't pour evenly between the potato slices.
Baste near the end: Once the foil comes off, spoon some of the glaze from the bottom of the pan over the potatoes a couple of times.
Check for tenderness, not just color: If the potatoes aren't tender after the uncovered baking time, give them another 10 to 15 minutes.
Make them ahead: Bake the potatoes up to 2 days ahead and refrigerate them. Reheat uncovered at 350°F until hot.
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