Kosher salt
1 tsp
To taste
Black pepper
½ tsp
Freshly ground
Hamburger buns
Soft potato or brioche buns work best
Yellow mustard
To serve
Classic choice
Ketchup
To serve
For tang and sweetness
Dill pickles
4–8 slices
For brightness and crunch
Optional: Add a slice of American cheese for melty comfort.
Step-by-Step: How to Make the Perfect Onion Burger
Step 1: Prep the Onions
Finely chop 2 yellow onions — the finer, the better (they’ll melt into the beef)
No need to cook them first — they’ll caramelize on the griddle
Pro Tip: Use a food processor for even, restaurant-style texture.
Step 2: Mix Beef & Onions
In a bowl, gently mix:
Ground beef
Chopped onions
Salt and pepper
Do not overmix — handle gently to keep patties tender
Ratio: About ¼ cup onions per ¼ lb of beef.
Step 3: Form & Chill (Optional)
Divide into 4 equal portions
Gently form into loose balls
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