Tyler Smith In-N-Out Patty Melt (Print Version)

Layered beef patties, caramelized onions and gooey cheese unite in this savory In-N-Out-inspired sourdough melt.

# Ingredients:

01 - 5 tablespoons butter, softened, divided
02 - 1 tablespoon olive oil
03 - 1 small onion, finely chopped
04 - 1 teaspoon salt
05 - 2 pounds ground beef
06 - 16 slices American cheese, divided
07 - 1 package frozen french fries
08 - 4 thick-cut slices sourdough bread

→ Sauce

09 - 1/2 cup mayonnaise
10 - 2 tablespoons ketchup
11 - 1 tablespoon sweet pickle relish
12 - 1 teaspoon white wine vinegar
13 - 1 teaspoon salt

# Steps:

01 - Heat 1 tablespoon butter and olive oil in a large skillet over medium heat. Add onions; cook for 5-6 minutes until starting to lightly brown. Reduce heat to medium-low and cook for 20-25 minutes, stirring every 5 minutes, until the onions are deep brown and very soft. Season with salt and remove from skillet.
02 - Shape ground beef into eight 4-ounce patties. Add one beef patty to the skillet. Flatten to 1/4- to 1/2-inch thickness with a heavy metal spatula. Cook 1-1/2 minutes until edges start to brown. Flip patty and top with one slice of American cheese. Cook until browned and thermometer reads at least 160°F, about 1 minute. Repeat with remaining patties.
03 - In a small bowl, combine mayonnaise, ketchup, sweet pickle relish, white wine vinegar, and salt. Refrigerate until ready to use.
04 - Cook frozen french fries following package instructions and season with salt to taste.
05 - Spread 1 tablespoon softened butter on one side of each sourdough slice. On the unbuttered side of two slices, layer two slices of American cheese, four cooked patties, prepared french fries, caramelized onions, and sauce. Top with two more slices of American cheese, then the second slice of sourdough, buttered side facing out.
06 - Heat a skillet over medium heat and toast sandwiches until golden brown on both sides and cheese is melted.

# Notes and Tips:

01 - Flatten ground beef without crumbling for even cooking.
02 - Refrigerating sauce allows flavors to meld.

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