01 -
Preheat the oven to 350°F (175°C) and prepare a 1.5 to 2-quart casserole dish with nonstick cooking spray.
02 -
In a large mixing bowl, combine mashed sweet potatoes, brown sugar, eggs, vanilla, milk, and melted butter. Mix until smooth and creamy.
03 -
Pour the sweet potato mixture into the prepared casserole dish and spread evenly.
04 -
Mix brown sugar, flour, melted butter, and chopped pecans in a small bowl until crumbly.
05 -
Sprinkle the topping evenly over the sweet potato mixture.
06 -
Bake for 30–40 minutes, or until the topping is golden brown and the casserole is heated through.