Make this recipe a recipe that people in that category can eat. categories: ['low_fat'], recipe: melt butter or margarine in a sauce pan over medium heat. add heavy cream, stirring constantly. stir in salt, grated parmesan cheese, and grated romano cheese. stir constantly until melted, then mix in egg yolk. simmer over medium low heat for 3 to 5 minutes. garnish with additional grated parmesan cheese, if desired.

Target recipe: combine all ingredients except for the starch, cheese and water. put into a sauce pan and bring to a boil. blend together the arrowroot and cold water add slowly to the sauce, stirring constantly. let sauce simmer for 2 minutes. remove from heat. slowly add and blend in the cheese. season to taste.