The debate rages on as to the origin of this San Francisco dish—"Joe's" restaurant has seen several incarnations. Original Joe's on Taylor Street, however, has had it on the menu for 59 years.
- 1 1⁄2 lb. fresh spinach (to yield 3/4 lb.)
- 2 tbsp. extra-virgin olive oil
- 1 yellow onion, peeled and chopped
- 1⁄2 lb. ground chuck
- 3 eggs, beaten
- Grated parmigiano-reggiano
- Salt and freshly ground black pepper