Sweet Potato Casserole With Pecans Recipe

Ingredients

• 2 1/2 pounds sweet potatoes
• 1/2 cup milk
• 1/3 cup maple syrup
• 1 large egg
• 1/2 teaspoon ground cinnamon
• 1/4 teaspoon ground ginger
• 1/4 teaspoon freshly grated nutmeg
• 1/4 teaspoon kosher salt
• Zest from 1 medium orange
• 3/4 cup chopped pecans
• 1/2 cup all-purpose flour
• 1/2 cup dark brown sugar
• 4 tablespoons unsalted butter, room temperature