← World Ingredient GuideVegetables, aromatics & mushrooms

Romaine lettuce (cos lettuce)

romaine / cos lettuce / خس khass

Flavor and role: A lettuce with long, firm, crisp leaves. The leaves work as cups for scooping salad.
Typical dishes and uses: Served with tabbouleh, Caesar salad, lettuce wraps
Substitutes: Use the same amount of iceberg, leaf lettuce or Little Gem.
Storage: Unwashed, wrapped in kitchen paper in an airtight container, 7–10 days in the fridge.
Main countries: United States · Lebanon · Italy
Used in this book: Tabbouleh Bánh Xèo (Vietnamese Crispy Sizzling Crêpes)Beef Lok Lak (Cambodian Stir-Fried Beef)Bún Chả (Hanoi Grilled Pork with Rice Noodles)Bún Thịt Nướng (Vietnamese Lemongrass Pork Noodle Bowl)Home-Style Döner Kebab Chicken Enchiladas Rojas Fattoush Gỏi Cuốn (Fresh Spring Rolls with Shrimp and Pork)Papa a la Huancaína (Potatoes in Spicy Cheese Sauce)Salade Niçoise Tinga de Pollo (Chipotle Shredded Chicken)Gochujang-Panca Chicken Anticuchos in Lettuce Wraps (Peruvian × Korean)Ayam Penyet Ssam with Sambal Ssamjang Coconut Grilled Pork Rice Burger Crispy Mekong-Style Bánh Xèo with Mung Beans and Coconut Cream Kimchi Bánh Xèo with Pork Belly and Gochujang Dipping Sauce Crispy Bánh Xèo Shrimp Salad Bowl Kampot Pepper Lok Lak with Butter Pan Sauce Lok Lak Steak Frites with Kampot Pepper-Lime Butter Lok Lak Crispy Rice Salad with Lime-Pepper Dressing Charcoal Bún Chả with Homemade Caramel and Crispy Shallots Bún Chả Burger with Pickled Carrot and Sriracha Mayo Charcoal Bún Thịt Nướng with Caramel Pork and Crispy Shallots Lemongrass Pork Belly Ssam with Gochujang Nước Chấm (Vietnamese × Korean)Chorizo Chili Walking Nachos Yapp Smash Burger with Mustard Onion Jam Chapli Kebab Cheeseburger with Mint Mayo Perilla Chimichurri Soy Steak Lettuce Wraps Chimichurri Steak and Whipped Feta Baguette Chorizo Smash Tacos with Chimichurri Cơm Tấm Rice Burger Crêpe Jianbing Döner Pizza (Turkish × Italian)Bacon Egg Foo Young Sliders with Hoisin Mayo and Quick Pickles Baked Falafel Crunch Bowl Fataya Crunch Wrap Restaurant-style fattoush with za'atar pita crisps and pomegranate Mexican-style fattoush with tortilla crisps and avocado Crisp-Crusted Fish Burger with Minty Pea Smash Smashed Potato Salmon Bowl Gado-Gado Rice Paper Rolls Gai Yang Pita with Jaew Yogurt (Thai × Greek)Coconut-Poached Pork and Tiger Prawn Summer Rolls Salmon Poke Summer Rolls Crispy Rice Paper Shrimp Dumplings Gyudon Rice Burger Jeyuk Onigirazu (Korean Rice Sandwich)Saffron Joojeh Chicken Caesar Salad with Sumac Pita Croutons Kibbeh Smash Burger with Tahini-Garlic Sauce Teriyaki Salmon Avocado Kimbap Folded Kimbap Square (Four-Quadrant Seaweed Sandwich)Gochujang köfte lettuce wraps (ssam)Malai Kofta Sliders with Makhani Mayo and Pickled Onions Mexican-Style Torta de Milanesa Sambal Fried Chicken Nasi Lemak Burger Kroeung Fish Cakes with Coconut Curry Dip and Herb Wraps Patacón Smash Sandwich with Garlic Chicken and Pink Sauce Picanha Ssam with Kimchi Vinagrete and Honey Ssamjang Gochujang Salmon Poke Bowl Garlic-Chip Pollo al Ajillo Bocadillo Crispy Pork Medallion Sliders with Lemon-Parsley Aioli Bulgogi Roti Jala Wraps with Gochujang Mayo (Malaysian × Korean)Seared Tuna Niçoise with Jammy Eggs and Anchovy-Caper Dressing Cold Shabu Salad Bowl with Sesame Ponzu Shan Tomato Chicken Lettuce Cups with Crispy Rice Noodles Shish Tawook Salad with Toum-Caesar Dressing and Pita Crisps Smash Burger Tacos Stjerneskud (Danish 'Shooting Star' Smørrebrød)Crunchy Rye Smørrebrød Bowl with Jammy Eggs Som Tam Summer Rolls Gochujang Pork Souvlaki Wrap with Sesame Tzatziki Suya Steak Crunch Salad with Peanut-Lime Dressing Tabbouleh with Tomato-Water Dressing and Pomegranate Crispy Smash Tacos Tandoori Chicken Caesar Salad with Naan Croutons Tartiflette with Milk-Poached Potatoes, Caramelised Onions and Walnut Salad Shrimp Tempura Onigirazu Crispy Tofu-Pouch Udon Salad Bowl Crispy Whitebait Caesar Salad Yakitori Rice Burger

Updated 2026-10-10