Recipes and Cooking Blue Cheese Stuffed Burger with Red Onion and Spinach 4.1 (41) Sharp and salty blue cheese, sweet red onion, and slightly bitter baby spinach lend balance and texture to the rich ground beef in these elegant yet satisfying burgers. When buying, look for baby spinach with dark, vibrant green leaves; avoid those that show signs of bruising or wilting. 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 Published on June 1, 2011 Print Rate It Share Share Tweet Pin Email Photo: Andy Lyons Grill Time: 5 mins Total Time: 28 mins Servings: 4 Jump to Nutrition Facts Ingredients 1 pound ground beef 1 tablespoon Worcestershire sauce 1 teaspoon freshly ground black pepper ⅓ - ½ cup crumbled blue cheese (about 2 ounces) 1 medium red onion, cut into thin slices Olive oil Salt 4 hamburger buns, split 1 cup fresh baby spinach Directions In a large bowl combine beef, Worcestershire sauce, and pepper. On waxed paper shape beef mixture into eight thin 4-inch-diameter patties. Place 1 tablespoon of the blue cheese into the centers of four of the patties. Top with the remaining four patties; pinch edges to seal. Brush onion slices with olive oil; sprinkle with salt. Place burgers and onion slices on the rack of an uncovered grill directly over medium-high heat. Grill 5 minutes per side or until done (160°F to 165°F). Brush cut sides of buns with olive oil. Grill, cut side down, the last minute of grilling. Serve burgers on buns with grilled onion slices, spinach, and remaining cheese. Rate it Print Nutrition Facts (per serving) 497 Calories 31g Fat 26g Carbs 27g Protein Show Full Nutrition Label Hide Full Nutrition Label Nutrition Facts Servings Per Recipe 4 Calories 497 % Daily Value * Total Fat 31g 40% Saturated Fat 12g 60% Cholesterol 89mg 30% Sodium 638mg 28% Total Carbohydrate 26g 9% Total Sugars 4g Protein 27g Vitamin C 6.5mg 33% Calcium 171.6mg 13% Iron 4.5mg 25% Potassium 456mg 10% Fatty acids, total trans 1g Folate, total 64.5mcg 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.