"This onion smash burger is absolutely delicious, and will make you lose your damn mind! This is a double onion smash burger, it only takes about 5 minutes to cook, and is a similar concept to what you'll find at Shake Shack or In-N-Out Burger...."
INGREDIENTS
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24oz ground beef (80/20)
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1 sweet onion, thinly sliced (see notes)
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Sliced american cheese (at least 8 slices for this recipe)
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Bread and butter pickles
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Secret sauce (recipe below)
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Salt and Pepper
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Your favorite burger bun
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Any additional burger toppings
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2 tablespoons mayonnaise
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1.5 to 2 tablespoons ketchup
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1/2 tablespoon garlic dijon mustard (I used Trader Joe's Aioli Garlic Mustard - see notes)
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2 teaspoons rice wine vinegar
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1.5 teaspoon relish
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1/4 teaspoon smoked paprika
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1/4 teaspoon garlic powder
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1/4 teaspoon onion powder
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1/8 teaspoon cayenne pepper
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Pinch of Salt