Overnight Pumpkin Spice Baked French Toast Casserole

Ingredients

• 1 loaf sourdough or French bread
• 8 large eggs
• 2 cups whole milk
• 1/2 cup sugar
• 1 1/2 cups canned pumpkin puree
• 2 tablespoons vanilla extract
• 1/4 cup light brown sugar (loosely packed)
• 1 1/2 teaspoons ground cinnamon
• 3/4 cup all-purpose flour
• 3/4 cup firmly packed light brown sugar
• 1/2 cup unsalted butter (cut into pieces)
• 1/2 teaspoon ground nutmeg
• 1/8 teaspoon ground cloves
• 1/8 teaspoon ground ginger
• 1/4 teaspoon salt