1 1/2 pounds broccoli, cut into small florets, stems peeled and sliced into 1/4 inch coins
1 1/2 tablespoons extra-virgin olive oil
2 leeks, halved lengthwise and thinly sliced crosswise
Kosher salt
2 tablespoons all-purpose flour
1 1/2 cups whole milk
3 ounces sharp white cheddar cheese, shredded (~1 cup)
1/8 teaspoon cayenne pepper
Freshly ground pepper
1/4 cup coarsely crushed saltine crackers
1/4 cup sliced almonds
2 tablespoons unsalted butter, melted
Serves 4