Mustard-dill sauce

Name: Mustard-dill sauce
Prep time: 10 min
Cook time: 2 h 15 min
Total time: 2 h 15 min
Yield: 8 portions
Ingredients: 200 g rapeseed oil; 10 - 15 g fresh dill; 20 - 30 g sugar (caster sugar); 20 g white wine vinegar; 20 g lemon juice; 25 g Dijon mustard; 30 g sweet mustard; 1 egg yolk; ½ tsp salt; ¼ tsp ground black pepper