Steps
- Melt one-quarter of ½ cup of butter in a large skillet over medium heat. Saute 1 large chopped yellow onion until tender, then remove.
- Shape 450g of ground beef with 20% fat into 4 thin patties slightly wider than 4 split hamburger buns. Season with salt and pepper.
- Increase to medium-high heat and melt one-eighth of the butter in the skillet. Cook the patties for 2-4 minutes per side, until they reach 160°F / 71°C.
- After flipping, top with 4 slices of cheddar and let melt. Butter the bun interiors with some of the remaining butter and toast in a second skillet over medium heat.
- Put the patties in the buns and divide the remaining butter over them. Add the onions and 12 dill pickle slices, then close the burgers.