Sweet Potato Biscuits with Sweet Mustard and Ham

sweet mustard
deli ham
3 cups all-purpose flour
1 ½ tablespoons baking soda
½ teaspoons salt
1 teaspoon cinnamon
½ teaspoon nutmeg
½ teaspoon ground allspice
1 teaspoon grated lemon zest
1 cup (2 sticks) butter, softened
2 cups mashed cooked sweet potatoes (about 2 or 3)
¼ cup packed light brown sugar
1/3 cup buttermilk
¼ cup (1/2 stick butter), melted
cinnamon-sugar, to taste

1. sift the flour, baking powder, salt, cinnamon, nutmeg, allspice and lemon zest into a bowl, cut in 1 cup butter until crumbly.
2. mix the sweet potatoes and brown sugar in a bowl, stir in the buttermilk. add the flour mixture and mix with your hands to form a sticky dough.
3. chill the dough for 1 hour.
4. preheat the oven to 425. place the dough on a floured work surface and knead two to three times. roll the dough ¼ inch thick. cut into circles using a biscuit cutter.
5. place 1 ½ inches apart on a non-stick baking sheet. prick the top of each biscuit with a fork. bake for 12 to 15 minutes or until golden brown.
6. remove from the oven and brush the tops of the biscuits with the remaining melted butter and sprinkle with cinnamon-sugar.
7. allow the biscuits to cool and then slice and make into a sandwich using the deli ham and the mustard.