• 8 Brioche Hamburger Buns
• 2 pounds 80/20 Ground Beef
• 1 large sweet onion, sliced
• 1/4 cup mayonnaise
• 1/4 cup ketchup
• 2 Tablespoons mustard
• Pickles
• American cheese
• Salt and pepper
• Garlic powder
• Butter

① Preheat griddle to medium heat. Lightly form 80/20 ground beef into 1/4 pound balls. Do not hard pack the meatball. Set aside and keep cool.
② Cut onion into rings or strings. In a separate bowl, mix together mayonnaise, ketchup, and mustard.
③ Next, mix together the salt, pepper, and pinch of garlic powder and set aside.
④ Once griddle is hot, place small amount of butter on the griddle and add onions. Sauté onions until translucent and golden brown. Add salt a pinch of salt.
⑤ While the onions are cooking, lightly toast the buns on the griddle. Remove when done.
⑥ Once onions are close to finished, butter the remaining space of the griddle. Place meatball on the griddle, and using a large, sturdy spatula, press down on the meatball until the patty is smashed thin on the griddle.
⑦ Once the edges are brown and grease is coming out of the meat, flip the hamburger. Add a pinch of salt/pepper/garlic powder, and top with cheese.
⑧ To build the cheeseburger, start with a spoonful of hamburger sauce on bottom bun, add a cheeseburger patty or two. Top with onions, pickles, and top half of the bun.