use pate sucre crust, on our 5 doughs page...
prepare sweet potatoes or yams. chop each one in 3 pieces (skins on) and put in the bottom of a large cooking pot. fill with water and boil until soft. dump in to collander. running cold water to keep your hands cool, skin the swepos. be sure to remove the bitter inner skin,if you can see it.
2.5 cups smashed sweet potatoes
3/4 inch of butter
3/4 cup brown sugar
1/4 tsp cinnamon + 1 pinch
1 1/2 tsp vanilla
2 pinches salt
pour into crust, bake at 350 until a toothpick or skewer or fork comes out clean.