Golden, cheesy, elegant, and holiday‑ready — this gratin is exactly the kind of polished comfort John serves for Thanksgiving or Christmas. Thinly sliced potatoes and leeks bake into a creamy, luxurious dish with a crisp, golden top. This gratin is classic Preppy Kitchen: refined, cozy, and beautifully plated. The leeks soften into a sweet, delicateContinue reading “Preppy Kitchen Inspired: Creamy Leek Gratin (Holiday Side Dish)”