INGREDIENTS
•
1/4 cup extra-virgin olive oil
•
3 cups diced mixed mushroom caps
•
Kosher salt and freshly ground pepper
•
1 stalk celery, finely diced
•
1 shallot, minced
•
1 1/4 cups plus 6 tablespoons all-purpose flour
•
2 tablespoons unsalted butter
•
Pinch of freshly grated nutmeg
•
1 1/2 cups low-sodium chicken broth
•
1 cup milk
•
4 slices white sandwich bread, torn
•
3 large eggs
•
Vegetable oil, for frying
•
Dijon mustard, for serving