Creamy Smoked Salmon And Dill Tart

• 5 sheet phyllo (thawed)
• 4 egg yolks
• 4 green onions (chopped)
• 3 eggs
• 240 ml whipping cream
• 110 gr smoked salmon (chopped)
• 26 gr butter melted (unsalted)
• 20 gr dill (fresh)
• 16 ml dijon mustard (plus)