Poblano, Potato, and Corn Gratin
Peer reviewed by UK recipe editorsAuthored by UK recipe editorsOriginally published 28 Jan 2026
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This vibrant poblano, potato and corn gratin is a sophisticated vegetarian takes on a classic comforting side dish. The mild, smoky heat of the poblano chillies provides a wonderful contrast to the natural sweetness of the corn kernels and the buttery finish of the potatoes. It is a hearty bake that brings a touch of Mexican-inspired flavour to the table, making it a brilliant alternative to a traditional potato dauphinoise or cauliflower cheese.
Perfect as a substantial side for a Sunday roast or as a standalone vegetarian main served with a crisp green salad, this dish is wonderfully versatile. Using single cream and a touch of flour creates a silky, savoury sauce that binds the layers together beautifully without being overly heavy. It is an excellent choice for a family dinner or a weekend gathering when you want something homemade and deeply satisfying.
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Ingredients for Poblano, Potato, and Corn Gratin
3 teaspoons olive oil, divided
2 large fresh poblano chillies,* stemmed, seeded, cut into 2 x 1/4-inch strips
575g Yukon Gold potatoes, peeled, cut into 1/8-inch-thick rounds
150g frozen corn kernels, thawed
240ml coarsely grated Oaxaca cheese or whole-milk mozzarella cheese, divided
350ml half cream
2 tablespoons plain flour
3/4 teaspoons salt
1/2 teaspoons freshly ground black pepper
How to make Poblano, Potato, and Corn Gratin
Back to contentsPreheat oven to 204°C. Rub 9 1/2-inch-diameter deep-dish glass pie dish or cast-iron skillet with 2 teaspoons oil. Heat remaining 1 teaspoon oil in large nonstick skillet over medium-high heat. Add poblano strips and sauté until tender, about 5 minutes. Remove from heat.
Arrange 1/3 of potato rounds, overlapping slightly, in prepared pie dish. Sprinkle 1/3 of poblano strips over, then 1/3 of corn and 1/3 of cheese. Repeat with 1/3 of potatoes, 1/3 of poblanos, 1/3 of corn, and 1/3 of cheese. Top with remaining potatoes, poblanos, and corn, reserving remaining 1/3 of cheese. Place pie dish on rimmed baking sheet.
Whisk half cream, flour, 3/4 teaspoons salt, and 1/2 teaspoons freshly ground black pepper in small bowl. Pour over potato mixture in pie dish; press potatoes to submerge. Cover dish tightly with foil. Bake 30 minutes. Remove foil; sprinkle remaining cheese over gratin. Continue to bake gratin until potatoes are tender and cheese is golden brown, about 25 minutes longer. Let stand 10 minutes before serving.
Often called pasillas; available at some supermarkets and at specialty foods stores, farmers' markets, and Latin markets.
Descargo de responsabilidad
While every effort has been made to ensure the information is accurate and up to date, individual needs may vary and dietary requirements can differ based on personal health conditions. Always check food labels and allergen information before preparing or consuming any recipe. If you have specific health concerns, allergies, intolerances, or are following a medically prescribed diet, seek advice from your GP, pharmacist, or a registered dietitian before making significant changes to your diet or lifestyle.
Historia del artículo
La información de esta página ha sido revisada por médicos cualificados.
28 Enero 2026 | Publicado originalmente
Autores:
Editores de recetas del Reino Unido
Revisado por expertos
Editores de recetas del Reino Unido

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