INGREDIENTS
•
1 pound ground beef ((85/15 recommended))
•
1/4 cup water
•
1 tablespoon yellow mustard
•
1 teaspoon sugar
•
Salt and freshly ground black pepper
•
1/2 cup finely chopped onion
•
4 hamburger buns, split (for serving)
•
Ketchup, mustard, mayonnaise, pickles (for serving)