INGREDIENTS
2 lb
ground beef (80% lean)
1/2 cup
dry bread crumbs
2
large eggs
1 1/4 cups
+ 2 tablespoons tomato sauce, divided
1/4 cup
Worcestershire sauce, divided
sea salt
freshly ground black pepper
~1/4 cup olive oil
2
large yellow onions, sliced (~4 cups)
4 cups
beef broth, divided
1/4 cup
cornstarch