Ingredients for Cheddar Burgers with Balsamic Onions and Chipotle Ketchup

• 450g red onions, cut crosswise into 1/3- to 1/2-inch-thick rounds

• زيت زيتون

• 3/4 teaspoons coarse kosher salt

• 1/2 teaspoons coarsely ground black pepper

• 2 tablespoons balsamic vinegar

• 240 مل كاتشب

• 1 1/2 teaspoons chopped chipotle chillies from canned chipotles in adobo* plus 2 tablespoons adobo sauce from can

• 2 teaspoons (or more) balsamic vinegar

• 1.0kg beef mince (15% to 20% fat)

• ملح كوشير خشن

• 6 thick slices sharp cheddar cheese

• 6 large English muffins or hamburger buns, split, cut sides grilled

• 6 tomato slices (optional)

• 2 cups fresh spinach leaves

Prepare barbecue (medium-high heat): Arrange onion rounds on baking sheet. Brush with oil; sprinkle with 3/4 teaspoons coarse salt and pepper. Transfer onion rounds (still intact) to grill rack; close cover. Cook until grill marks appear, about 4 minutes per side. Reduce heat or move onions to cooler part of grill. Close cover; cook until onions are tender, about 10 minutes. Transfer to medium bowl. Toss with vinegar. DO AHEAD: Can be made 3 days ahead. Cover; chill.

Mix ketchup, chillies, adobo sauce, and 2 teaspoons vinegar in small bowl. Season with salt and more vinegar, if desired. do a h e a d Can be made 3 days ahead. Cover and chill.

Shape beef into six 1/2-inch thick patties. Sprinkle patties on both sides with coarse salt and pepper. Prepare barbecue (medium-high heat). Place burgers on grill. Close cover; cook burgers until bottoms start to darken and juices rise to surface, about 3 minutes. Turn burgers; cook to desired doneness, about 3 minutes longer for medium-rare. Top with onions and cheese. Close cover; cook until cheese melts. Place muffin bottoms on plates; spread with ketchup. Top with burgers, tomatoes, if desired, spinach, and muffin tops. Serve, passing remaining ketchup separately.

*Dried, smoked jalapeños in a spicy tomato sauce called adobo; available at some supermarkets and at specialty foods stores and Latin markets.

إخلاء المسؤولية

على الرغم من بذل كل جهد لضمان دقة المعلومات وتحديثها، قد تختلف الاحتياجات الفردية وقد تختلف المتطلبات الغذائية بناءً على الظروف الصحية الشخصية. تحقق دائمًا من ملصقات الطعام ومعلومات المواد المسببة للحساسية قبل تحضير أو تناول أي وصفة. إذا كانت لديك مخاوف صحية معينة، أو حساسية، أو عدم تحمل، أو تتبع نظامًا غذائيًا موصوفًا طبيًا، فاستشر طبيبك العام أو الصيدلي أو أخصائي التغذية المسجل قبل إجراء تغييرات كبيرة على نظامك الغذائي أو نمط حياتك.