Homemade In-N-Out Burger

Into a bowl, add Mayonnaise (2/3 cup) , Sweet Pickle Relish (1/2 Tbsp) , Ketchup (1 Tbsp) , Granulated Sugar (1/2 tsp) , Salt (1/2 tsp) , and Distilled White Vinegar (1/2 tsp) . Mix until combined and set aside.

Into a pan over low heat, add the Onion (1) . Gently cook down the onions until soft and caramelized which should take 30-40 minutes.

Shape the Ground Beef (1 lb) into thin round burgers. Season the burgers on both sides with Salt and Ground Black Pepper (to taste) . Cook for 2 minutes on high heat.

Before flipping, spread Yellow Mustard (1/2 Tbsp) on the patties and then flip. After 1 minute add American Cheese Slices (2 slices) and top with grilled onions.

To assemble, add the mayo spread to the bottom Hamburger Buns (2) . Top with Pickle Slices (2) , Tomatoes (2 slices) , Iceberg Lettuce (to taste) , and the 2 beef patties. Place the other bun on top and enjoy!