Now you could put the casserole in the oven instead of putting the dish on the smoker, using smoked sweet potatoes will add a smoke flavor even in the oven.
Slice your smoked sweet potatoes and remove the skin. You can use an oven glove or allow them to cool off a bit.
If you did not smoke your sweet potatoes boil a large pot of water to boil the potatoes into before making them into mashed potatoes.
Place the peeled potatoes into a large mixing bowl and add ¼ Cup Butter, Eggs, Vanilla, Cinnamon, White Sugar, and Cream.
Use an electric mixer, hand mixer, or potato masher to combine this together until it is a creamy sweet potato mixture.
Grease a 9X13 pan or casserole dish with a cooking spray, if placing the casserole in the smoker this dish will stain with the smoke from the smoker.
Move the sweet potato mixture into your prepared baking dish.
In a small bowl combine ¼ butter, flour, brown sugar, and pecans with a spatula until is a coarse meal. The butter does not need to be melted butter room temperature butter will work.
Sprinkle this mixture over the top of the casserole of sweet potato filling, for a crunchy topping. , it will be like a crunchy streusel or cobbler topping inconsistency.
Either bake or smoke the dish for about 30 minutes at 350 Degrees until the topping is golden brown.
Store in the fridge in an airtight container or with plastic wrap or aluminum foil on it, it tasted amazing the next day.