Make this recipe a recipe that people in that category can eat. categories: ['low_calorie'], recipe: put egg yolks, lemon juice, vinegar, prepared mustard and pinch of cayenne pepper in a jug. beat until thick and creamy (a handheld blender is just great for this!). heat butter slowly until melted and bubbly. remove from the heat and slowly add to the egg yolk mixture. combine well. (to absorb the butter into the egg yolk mixture). beat until smooth and thick. serve straight away (before the sauce loses it's heat)!

Target recipe: pour evaporated skim milk and fresh skim into a medium, heavy-bottomed saucepan. adding about a third of the flour at a time, whisk briskly into milk until blended. whisk egg yolk into milk mixture until blended. bring mixture to gentle boil over medium heat; whisking constantly continue to cook 10 minutes or until sauce thickens. reduce heat to low and whisk in lemon juice and remaining four ingredients. simmer for 5 minutes, whisking often.