Steam the eggs for 10 minutes in the steam oven at 100°.
Place them in ice water to shock, peel them, and put them in a jar.
Place the dill seeds, slices of onion, and beet on the peeled eggs.
For the brine, mix the vinegar, cider vinegar, sugar, and salt.
Let it come to a boil so everything dissolves well.
Pour over the eggs in the jar, filling until everything is submerged.
Seal the jar tightly while it is still warm.
After two days, they are ready to use.
Halve the beautifully colored eggs.
Finish with a dollop of mayo.
Top with your favorite toppings.
The eggs can be stored in the refrigerator for up to 6 weeks.
Tips
Mix 4 tablespoons of Mayo with 1 teaspoon of Safraan powder for a delicious Safraan Mayo as a topping.