Bagels with avocado cream

Ingredients

• 500g whole-wheat flour
• 320g warm water
• 2 ½ teaspoons yeast
• 1 ½ teaspoons brown sugar
• 1 ½ teaspoons salt
• 1 egg white for the spreading
• Black sesame or poppy seed or chia seed for the sprinkling
• 3 mature avocados
• 1 lime (juice)
• 1 tablespoon olive oil
• 2 branches of coriander chopped into small pieces
• Salt-pepper