Avocado Tuna Salad

• 

  English cucumber halved lengthways

  1
• 

  watercress

  2 oz
• 

  red onions fermented or pickled

  1 ½ oz
• 

  avocado diced, divided

  8 oz
• 

  tuna, packed in water drained (5 oz ea. can)

  2 cans
• 

  sunflower seeds

  2 tbsp
• 

  fresh basil leaves only

  3 sprigs
• 

  mint, fresh leaves only

  3 sprigs
  3 sprigs parsley, leaves only
• 

  extra virgin olive oil

  2 oz
• 

  white vinegar

  1 ½ oz
• 

  salt to taste

  ¼ tsp
• 

  freshly ground black pepper to taste

  ⅛ tsp