Celeriac and Apple Mash

Ingredients in this Recipe

1 3/4 cups homemade or low sodium store bought chicken stock
1 cup water
1 dried bay leaf
1 medium Granny Smith apple, peeled, cored, and cut into 1 inch pieces
1 medium shallot, coarsely chopped
1 pound celeriac (also called celery root), peeled and cut into 1 inch pieces
1 pound Yukon gold potatoes, peeled and cut into 1 inch pieces
2 tablespoons unsalted butter, room temperature
3/4 ounce blue cheese (about 2 tablespoons), such as Buttermilk Blue, Danish blue, or Roquefort (see the Guide), plus more for crumbling
Coarse salt

See Full Recipe at Martha Stewart