Feather Souffle Roll With Shrimp Filling

• 4 egg whites
• 3 egg yolks
• 2 tbs
• 350 ml water
• 120 ml milk
• 120 gr unpeeled sized (fresh)
• 30 ml sour cream
• 16 gr green onions (chopped)
• 5 gr prepared horseradish
• 2 gr salt