Baked Sweet Potato and Bacon Sausage

2 all-purpose flour

1 chopped pecans

2/3 packed brown sugar

1/2 salt

1 cinnamon

6 unsalted butter, cut into small pieces

2 sweet potatoes, peeled and cut into 1/2-inch slices

9 , cut into 1/2-inch slices

2 heavy cream

1/4 nutmeg