Sweet Potato, Sage, and Parmesan Gratin.

This variation on traditional gratin showcases the tangerine hue and mellow, honeyed flavor of sweet potatoes. The tangy, salty combination of Gruyere and Parmesan offsets the sweetness, with sage adding an earthy depth. 1 cup milk {or 1/2 cup milk and 1/2 cup cream} 1 large clove garlic, peeled and halved 3 lbs. sweet potatoes, … Continue reading Sweet Potato, Sage, and Parmesan Gratin.