Preparing Southern Maple Sweet Potato Casserole can be a joyous and straightforward process. Follow these steps to create this delightful dish:

1. Preheat your Oven: Set your oven to 350°F (175°C) to preheat.
2. Prepare Sweet Potatoes: Peel the sweet potatoes and cut them into chunks. Steam or boil until tender, about 15-20 minutes.
3. Mash Sweet Potatoes: Drain the potatoes and place them in a large mixing bowl. Mash until smooth.
4. Combine Ingredients: Add the maple syrup, brown sugar, milk, melted butter, eggs, vanilla extract, cinnamon, nutmeg, and salt to the mashed sweet potatoes. Mix well until combined.
5. Transfer to Casserole Dish: Pour the sweet potato mixture into a greased 9×13 inch casserole dish, smoothing the top.
6. Prepare Topping: In a separate bowl, mix chopped pecans with a tablespoon of flour to prevent them from sinking. If using mini marshmallows, mix them in with the pecans.
7. Add Toppings: Evenly spread the pecan topping over the sweet potato mixture.
8. Bake: Place the casserole in the preheated oven and bake for 30 minutes until set and lightly browned on top.
9. Serve immediately: Allow to cool for a few minutes before serving to your guests.

By adhering to these clear instructions, you’ll create an incredible Southern Maple Sweet Potato Casserole that will impress anyone lucky enough to share a meal with you.