"A terrific make-ahead breakfast strata from baker and pastry chef Zoe Nathan, who uses multigrain bread to add a distinct flavor to this satisfying casserole...."
INGREDIENTS
•
2 1/2 tablespoons unsalted butter, plus more for greasing
•
2 pounds butternut squash—peeled, seeded and cut into 1/2-inch dice
•
1/4 cup plus 1 tablespoon extra-virgin olive oil
•
Kosher salt
•
Freshly ground black pepper
•
2 medium onions, thinly sliced, plus 1/2 small onion, finely chopped
•
3/4 pound kale, ribs discarded and leaves chopped
•
2 garlic cloves, minced
•
Pinch of crushed red pepper
•
2 teaspoons finely chopped thyme
•
1/4 cup all-purpose flour
•
2 1/2 cups milk
•
1 cup heavy cream
•
1/2 cup crème fraîche
•
1 teaspoon sugar
•
8 large eggs
•
One 3/4-pound multigrain baguette, cut into 1-inch pieces
•
1/3 cup freshly grated Parmigiano-Reggiano cheese