Sweet Potato Casserole with Pecan Streusel

Ingredients

• 3 pounds sweet potatoes, peeled and cubed (1.36 kg)
• ½ cup (1 stick) unsalted butter, softened (113g)
• ½ cup granulated sugar (100g)
• ½ cup packed light brown sugar (100g)
• ½ cup whole milk (120ml)
• 2 large eggs, lightly beaten
• 1 teaspoon vanilla extract (5ml)
• ½ teaspoon ground cinnamon (2.5ml)
• ¼ teaspoon ground nutmeg (1.25ml)
• ¼ teaspoon salt (1.5g)
• 1 cup all-purpose flour (120g)
• ½ cup chopped pecans (60g)
• ½ cup (1 stick) unsalted butter, cold and cubed (113g)