INGREDIENTS
1
Bay leaf
2 lb
Broccoli
1/2
Yellow onion, small
1/4 cup
All-purpose flour
1
Kosher salt
1
Pepper, Freshly ground
2 tbsp
Olive oil
1 cup
Panko
2 tbsp
Butter, unsalted
2 cups
Milk
1/4 cup
Parmigiano-reggiano cheese, grated
1 cup
Grated gruyère cheese