Ingredients:
- 1 tablespoon unsalted butter, softened, for the casserole dish
- 1 loaf Italian-style bread, cut into 18 half-inch-thick slices (about 1 pound)
- 6 large eggs
- 1/3 cup granulated sugar
- 2 teaspoons pure vanilla extract
- 1/2 teaspoon ground cinnamon
- Kosher salt
- 2 cups whole milk
- 1 cup heavy cream
- 3/4 cup packed light brown sugar
- 1/4 cup all-purpose flour
- 1/2 teaspoon ground cinnamon
- 1/4 teaspoon freshly grated nutmeg
- Kosher salt
- 1 stick unsalted butter, cut into cubes
- 1 cup chopped walnuts
