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Export 7 ingredients for grocery delivery
Step 1
Preheat grill to medium heat.
Step 2
Meanwhile, heat oil in large nonstick skillet on medium-high heat.
Step 3
Add onions; cook 5 minutes, stirring frequently.
Step 4
Cover with lid. Simmer 20 minute or until onions are golden brown, stirring frequently.
Step 5
Meanwhile, grill patties 5 minute on each side or until medium doneness (160ºF). Stir steak sauce into onion mixture.
Step 6
Place 1 tomato slice and burger on bottom half of each bun; cover with 1 slice cheese, 3 tablespoons of the onion mixture and top of bun.