Creating the Southern Maple Sweet Potato Casserole is straightforward if you follow these simple steps:

1. Preheat the Oven: Preheat your oven to 350°F (175°C).
2. Prepare Sweet Potatoes: Peel and cut the sweet potatoes into chunks. Boil them in a large pot of salted water until tender, about 15-20 minutes.
3. Drain and Mash: Drain the sweet potatoes and return them to the pot. Mash them until smooth.
4. Mix Ingredients: In a large bowl, combine the mashed sweet potatoes with maple syrup, brown sugar, milk, eggs, vanilla extract, cinnamon, nutmeg, and salt. Mix well until everything is thoroughly combined.
5. Prepare Baking Dish: Grease a 9×13-inch baking dish with butter or cooking spray.
6. Transfer Mixture: Pour the sweet potato mixture into the prepared baking dish and smooth the top.
7. Add Toppings: If desired, sprinkle chopped pecans and mini marshmallows on top of the casserole.
8. Drizzle with Butter: Drizzle melted butter over the topping for added richness.
9. Bake: Place the casserole in the preheated oven and bake for 30-35 minutes, or until heated through and the top is golden.
10. Serve: Remove from the oven and let it cool slightly before serving.

By following these steps, you’ll create an incredible Southern Maple Sweet Potato Casserole that will leave everyone asking for seconds.