Cucumber salad with blackberries and sour cream dressing

Ingredients

• 1 cucumber
  
• ¹/₂ cup blackberries
  
• 3 tablespoons toasted pumpkin seeds
  
• 4 stalks of dill
  
• 4 tablespoons sour cream
  
• 2 tablespoons olive oil
  
• 1 tablespoon apple cider vinegar
  
• 1 teaspoon honey
  
• salt and black pepper