Make the Filling

1. Preheat oven to 400°F.
2. Prick sweet potatoes, using a fork, a couple of times on all sides.
3. Place sweet potatoes on oven rack and bake for 40 minutes. Then turn off oven and let sweet potatoes sit for an additional 30 minutes.
4. Remove sweet potatoes from oven. Let cool.
5. Remove skin and place the potato flesh in a large bowl.
6. Next add melted butter, maple syrup, vanilla, egg, and almond milk. Mix together with a hand blender until potatoes are creamy and smooth.

Make the Topping & Bake

1. In the meantime, in a small bowl add chopped pecans, brown sugar, melted butter, and cinnamon. Mix together until all combined.
2. Heat oven to 350°F.
3. Place mashed sweet potatoes in a 2 1/2 quart round corningware baker. {or in a 8×8 glass pan}
4. Sprinkle pecan streusel over the sweet potatoes.
5. Put casserole dish in oven uncovered for 45 minutes or until topping is browned.
6. Serve!