Cheeseburgers with chili and onion rings

Ingredients:

• 12 frozen breaded onion rings
• 650 g ground beef, preferably from the neck
• Coarse salt and freshly ground pepper
• Vegetable oil, for grilling
• 4 slices yellow cheddar cheese
• 4 soft Viennese buns, cut horizontally into halves
• 1 cup prepared chili (a stew made with ground meat, beans, and tomato sauce), heated through
• 1/3 cup barbecue sauce

Preparation:

1. Prepare onion rings according to package directions; keep warm.
2. Preheat grill to medium-high heat.
3. Form the minced meat into four round patties, each weighing 160 grams and about 2 cm thick. Using your thumb, make a 1.2 mm deep indentation in the center of each patty. Sprinkle the patties on both sides with salt and pepper.
4. Lightly oil the grill grates, place the patties on the grates, indented side down, and cook until charred, about 5 minutes. Flip and continue cooking until slightly firm, about 3 minutes more. Patties will be medium-rare. One minute before the end of cooking, top each patty with a slice of cheese. Transfer the patties to a serving platter and let them rest for 5 minutes.
5. Place buns on the grill, cut side down, and cook until golden brown, about 1 minute.
6. Place the patties on the bottom halves of the buns, top with chili and onion rings. Drizzle with barbecue sauce, then top with the top halves of the buns.