Adapted from find.myrecipes.com
pounds sweet potatoes, peeled and cut into 1-inch cubes
cup packed brown sugar
cup butter, softened
teaspoon vanilla extract
cup finely chopped pecans, divided
cups miniature marshmallows
Preheat oven to 375°. Place the sweet potatoes in a Dutch oven, and cover with cold water. Bring to a boil. Reduce heat, and simmer for 15 minutes or until very tender. Drain; cool slightly. Place potatoes in a large bowl. Add sugar and next 3 ingredients (through vanilla). Mash sweet potato mixture with a potato masher. Fold in 1/4 cup pecans. Scrape potato mixture into an even layer in an 11 x 7-inch baking dish coated with cooking spray. Sprinkle with remaining 1/4 cup pecans; top with marshmallows. Bake at 375° for 25 minutes or until golden.