
Ingredients
Salt
1 pound farfalle pasta
3 tablespoons butter
1 pound cremini mushrooms, thickly sliced
1 pound thin asparagus, trimmed, cut crosswise into 1-inch pieces
1 cup mascarpone cheese
Pinch freshly grated nutmeg
3/4 cup walnuts, toasted
1/4 cup freshly grated Parmesan