Cauliflower Gratin with Garlic and Sage

INGREDIENTS

1/2 cup

Bacon

Large head Cauliflower

Garlic cloves, rough

1 cup

Red onion or shallots

2 tbsp

Sage leaves plus more, fresh

3 tbsp

All-purpose flour

1 tsp

Kosher salt

1/2 tsp

Nutmeg, fresh grated

1/4 tsp

White pepper

1 tbsp

Olive oil

1/3 cup

Bread crumbs

grated melty cheese- like mozzarella or gruyere- (plus 3 tablespoons

2 tbsp

Butter, unsalted

1/3 cup

Flavorful cheese like parmesan or pecorino, grated hard

2 cups

Whole milk

1/2 cup

Water