INGREDIENTS
1 1/2 cups
1/4-inch slices celery
1/2 cup
Flat-leaf parsley
1 tbsp
Rosemary, fresh
2 tbsp
Sage, fresh
1 tbsp
Thyme, fresh
2 1/2 cups
Yellow onions
2
Eggs, large
2 1/2 cups
Chicken broth, low-sodium
1 tsp
Black pepper, freshly ground
2 tsp
Kosher salt
1 lb
White bread, good-quality day-old
3/4 cup
Butter plus more, unsalted