Place the shaft, blade, and knife of a food grinder (or stand mixer attachment) into the freezer to chill.

Cut the raw beef brisket into 1-inch pieces.

Lay the pieces onto a rimmed baking tray and place into the freezer until the meat is firm but not fully frozen, about 15 minutes.

Remove the chilled meat from the freezer and toss evenly with the olive oil.

Assemble the chilled meat grinder attachment.

Push 2 to 3 pieces of meat at a time through the machine into a large mixing bowl.

Once all of the meat has been ground, run it entirely through the machine a second time for a perfectly tender crumb.

Season the ground brisket by gently folding in the Worcestershire sauce and minced garlic.

Form the meat into 8 equal-sized patties, cover, and refrigerate until you are ready to grill.

In a small mixing bowl, combine the mayonnaise, sweet pickle relish, ketchup, grated onion, white wine vinegar, and granulated sugar.

Season the sauce with the kosher salt and coarse black pepper.

Whisk everything together until perfectly smooth and emulsified, then refrigerate to let the flavors marry.

Heat your grill over medium-high heat.

Just before grilling, generously season both sides of the burger patties with the kosher salt and coarse black pepper.

Grill the burgers on one side for 4 to 5 minutes, achieving a deep, caramelized crust.

Flip the burgers and cook on the other side until your desired degree of doneness, about 4 to 5 minutes more for medium-rare.

During the final minute of cooking, place a slice of American cheese onto each burger to melt.

Brush the inside of the sliced buns with the melted butter.

Lay the buns directly onto the grill grates and toast for 30 to 45 seconds until golden.

Place the toasted buns onto a platter and lay a hot, cheesy burger patty onto each bottom bun.

Slather the top bun with a heavy layer of the signature burger sauce.

Layer with the sliced tomatoes, onions, avocado, and dill pickle chips before serving immediately