Potato Open Sandwich with Pickled Red Onions, Rye Bread Chips and Low-Fat Smoked Mayo - Fuldkorn

Ingredients

• 1 whole grain-labelled rye bread
• Chives
• Cress
• 400 gram potatoes (preferably Ballerina, Bintje, Ballerina or Darling)
• 1.2 litres water
• Herbs of your choice
• Salt for the cooking water
• 5 boiled eggs
• 50 ml extra virgin olive oil
• 2 tbsp apple cider vinegar
• 1 tsp Dijon mustard (add more if you love Dijon mustard)
• 1/2 tsp smoked paprika
• Frozen day-old rye bread (alternatively, thinly sliced fresh rye bread)
• Extra virgin olive oil
• 1 red onion
• 100 ml vinegar
• 1 tbsp sugar
• 100 ml water
• 1 leaf
• 1 anise
• 5 peppercorns
• 70 g buckwheat kernels
• 1 tbsp extra virgin olive oil
• A little salt