For the Bacon Jam:

* 8 slices of thick cut bacon, diced

* 1 large onion, finely chopped

* 3 tbsp brown sugar

* 1/4 cup apple cider vinegar (or balsamic) add to taste.

* 1/2 cup strawberry jam (not necessary, but it can make this extra sweet and thick)

For the Onion Burgers:

* 2 lbs ground beef (preferably 85% lean)

* 2 or 3 large onions, very thinly sliced

* Salt and pepper, to taste

* Olive oil

* 8 slices of cheese (American works best as the flavor won't outclass the burger)

* 8 hamburger buns

Making the Bacon Jam:

Cook the Bacon:

1. In a large skillet, cook the diced bacon over medium heat until it turns crispy.

2. remove the bacon and reserve several teaspoons of the bacon grease for the onions.

3. Add the finely chopped onions to the skillet and cook over medium heat until they become translucent and start to caramelize, about 10-15 minutes.

Add Brown Sugar and Vinegar:

1. Stir in brown sugar and apple cider vinegar. Cook until the mixture becomes thick and syrupy, about 5-7 minutes.

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Mix in Jam if you want it a little sweeter:

1. Add the strawberry jam and cooked bacon. Stir until the jam melts and everything is well combined. Simmer for another 2-3 minutes. Remove from heat and let cool.

2. Ideally, you want to make this earlier in the day or the day before.

Making the Onion Burgers

Prep Onions and Meat:

1. In a large bowl, gently mix the ground beef with plenty of ground salt and pepper. Feel free to add extra onion powder to taste. Shape into fist-sized balls. Keep the meat loose for a juicy burger.

2. Heat a small amount of olive oil over medium heat in another skillet, preferably cast iron.

If you're good with cast iron and have a well-seasoned pan, you don't need the oil. Just make sure it's hot. The fat in the meat will release a lot of oil, and the burgers shouldn't stick. Plus, it makes them extra crispy on the outside.

Cook the Burgers

1. Place the beef balls in the skillet, and add a large amount of sliced onions to the top of each one. Don't be shy here. Using a metal spatula, press each ball into a thin patty to create a crispy crust. Cook until the edges start to brown and crisp, about 3-4 minutes per side.

2. Flip and make sure to press down again to get the onions spread out and cook.

3. Add cheese.

Assembling the Burgers:

1. Remove the bun bottoms. Spread a layer of bacon jam to taste.

Add the Patty:

1. Place the burger patty with bun and melted cheese on top, and the onions on the bottom.