Recipes and Cooking Burgers Classic Cheeseburgers with Grilled Romaine & Onions Be the first to rate & review! By BHG Test Kitchen BHG Test Kitchen The Better Homes & Gardens Test Kitchen has been in continuous operation for nearly 100 years, developing and testing practical, reliable recipes that readers can enjoy at home. The Test Kitchen team includes culinary specialists, food stylists, registered and licensed nutritionists, and other experts with Bachelor of Science degrees in food science, food and nutrition, or culinary arts. Together, the team tests more than 2,500 recipes, produces more than 2,500 food images, and creates more than 1,000 food videos each year in the state-of-the-art test kitchen. Learn about BHG's Editorial Process Updated on April 28, 2021 Print Rate It Share Share Tweet Pin Email Photo: Andy Lyons Prep Time: 30 mins Grill Time: 10 mins Total Time: 30 mins Servings: 6 Jump to Nutrition Facts Ingredients 1 large red onion, sliced 1/2-inch thick 2 tablespoon extra-virgin olive oil Kosher or sea salt and freshly ground black pepper 1 recipe Home-Ground Beef (or 1/14 lb. ground meat of choice) 6 ounce sharp cheddar cheese, thinly sliced 6 hamburger buns, split ½ small heart romaine lettuce ¼ cup mayonnaise Home Ground Beef 1 ¼ pound boneless chuck roast (not ground), cut into large chunks and chilled 1 tablespoon freshly ground black pepper ½ teaspoon Kosher or sea salt Directions In large skillet over medium-low heat, cook onion in 1 Tbsp. hot olive oil, keeping slices intact. Lightly season with salt and pepper. Cook slowly for 5 minutes, occasionally pressing with spatula to cook evenly. Turn onions carefully, keeping slices intact; cook 5 minutes more, until softened and light brown. (Or brush slices with oil; grill with burgers 5 minutes each side, until browned.) Build charcoal fire or preheat gas grill for direct cooking. Form ground meat in six 3/4-inch-thick patties. Slightly indent center of each patty. Season patties with salt. Cook patties on covered grill over medium heat for 12 to 14 minutes, until done (160°F), turning once. Top with cheese the last 1 minute of cooking time. Meanwhile, lightly toast buns on grill. Brush romaine heart with remaining 1 Tbsp. oil. Grill 3 minutes, until browned, turning once. Remove from grill; separate into leaves. Spread buns with mayonnaise. Layer patties, onions, and romaine. Makes 6 burgers. Home Ground Beef If using a food processor, freeze meat cubes for 20 minutes. Place 1/2 of the meat cubes in food processor bowl with 1/2 of the pepper. Pulse until coarsely ground. Repeat with remaining half of the meat and pepper. If using a meat grinder, put the chilled chuck roast through the large die of a meat grinder. Add the pepper and grind meat one more time. Form the ground beef into four 3/4-inch thick patties. Press indentation into each patty, and season on outside with salt. Rate it Print Nutrition Facts (per serving) 506 Calories 32g Fat 26g Carbs 28g Protein Show Full Nutrition Label Hide Full Nutrition Label Nutrition Facts Servings Per Recipe 6 Calories 506 % Daily Value * Total Fat 32g 41% Saturated Fat 13g 65% Cholesterol 93mg 31% Sodium 724mg 31% Total Carbohydrate 26g 9% Total Sugars 4g Protein 28g Vitamin C 2.4mg 12% Calcium 302.9mg 23% Iron 3.6mg 20% Potassium 445mg 9% Fatty acids, total trans 1g Folate, total 72.6mcg Vitamin B-12 2.7mcg Vitamin B-6 0.5mg *The % Daily Value (DV) tells you how much a nutrient in a food serving contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.