Foodgeist is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. As an Amazon Associate we earn from qualifying purchases.
You're reading one of recipes available free. Full library with Gastronome.
Arrange onion rounds on baking sheet. Brush with oil; sprinkle with 3/4 teaspoon 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: Mix ketchup, chiles, 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. 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.
RecipeNLG
Gathered
As an Amazon Associate, Foodgeist earns from qualifying purchases.
Seal out syn-propanethial-S-oxide — tear-free onion prep
Organize pot lids vertically — saves cabinet space
Adjustable stand — hold cookbook or tablet at eye level while cooking
Whole dried chipotles — toast and rehydrate for smoky depth
Ground smoked jalapeño — rubs, sauces, chili, aioli
As an Amazon Associate, Foodgeist earns from qualifying purchases.
Free 2-day shipping on every tool and ingredient we recommend.
The best culinary books narrated, on the house for 30 days.
Every cookbook you've wanted to read — free for 30 days.
As an Amazon Associate, Foodgeist earns from qualifying purchases.
Seal out syn-propanethial-S-oxide — tear-free onion prep
Organize pot lids vertically — saves cabinet space
Adjustable stand — hold cookbook or tablet at eye level while cooking
Whole dried chipotles — toast and rehydrate for smoky depth
Ground smoked jalapeño — rubs, sauces, chili, aioli