Ingredients
∙ Serves 4
Meat
1 lb 90% lean ground beef, lean
Produce
1 Yellow onion, medium sweet
Baking & spices
3/4 tsp Black pepper, freshly ground
3/4 tsp Kosher salt
Oils & vinegars
1 tsp Vegetable oil
Bread & baked goods
4 Hamburger buns, toasted
Dairy
4 slices American cheese
10 tbsp Butter, salted
Liquids
1 tbsp Water