Pumpkin French Toast Casserole

Bahan-bahan (12 porsi)

• 1 (12–14-ounce) loaf French bread, brioche, sourdough bread, or challah*
• 1 cup (226g) pumpkin puree
• 3/4 cup (150g) packed light or dark brown sugar
• 2 and 1/2 teaspoons store-bought or homemade pumpkin pie spice*
• 6 large eggs
• 2 and 1/3 cups (560ml) whole milk
• 2 teaspoons pure vanilla extract
• 1/3 cup (69g) packed light brown sugar
• 1/3 cup (41g) all-purpose flour (spooned & leveled)
• 1/2 teaspoon ground cinnamon
• 6 Tablespoons (85g) unsalted butter, cold and cubed
• 3/4 cup (100g) roughly chopped pecans*
• for serving: pure maple syrup