4 mild sausage links 1 small onion finely diced 8 ounces fresh mushrooms, cleaned and coarsely chopped 2 cloves garlic, peeled & minced 2 tablespoons olive oil 1 cup dry white wine salt & pepper red pepper flakes (optional) 1 1/2 cups heavy cream to serve: 1/4 cup chopped fresh parsley 1/2