Preheat oven to 375 levels F and grease a 9×13-inch baking dish.
In a big bowl, add candy potato, brown sugar, half and half, butter, egg, vanilla, and salt. Beat with mixer till fully clean.
Switch candy potato combination to the ready baking dish and unfold into a good layer.
In a small bowl mix sugar, flour, pecan, and melted butter till a crumbly combination varieties. Sprinkle over candy potatoes.
Bake for 35 minutes, then permit dish to chill for no less than 20 minutes earlier than serving.
