Ham-broccoli Rolls

• 2 egg yolks (slightly beaten)
• 240 ml pineapple juice
• 240 gr broccoli spears (frozen)
• 120 ml milk
• 16 ml sauce over broccoli
• 10 ml prepared mustard
• 5 gr butter
• 5 gr preapred horseradish
• 3 gr all purpose flour
• 2 ml worcestershire sauce