INGREDIENTS
4 oz
Pancetta
2
Shallots
2
packed cups Spinach
6
Eggs, large
1/4 tsp
Black pepper, freshly ground
1 tsp
Kosher salt
1 tbsp
Olive oil, extra-virgin
1
Vegetable oil cooking spray
2 1/2
thick 4-inch-thick slices Bread, country-style
1 1/2 cups
Gruyere, grated
1/4 cup
Milk