Avocado-tofu-egg Dip

• 10 min to prepare
• 4 long
• 2 eggs (hard cooked)
• 1 cake
• 60 gr onion (very finely minced red)
• 45 ml cider vinegar
• 45 ml water (cold)
• 2 ml dijon mustard
• 2 gr prepared horseradish