Vegan Burger

Bread

• 15 g granulated sugar
• 350 g strong white bread flour
• 140 g water
• ½ tsp dried instant yeast
  or 5 g fresh yeast, crumbled
• 1 ½ tsp fine sea salt
• 1 tsp oil, for greasing

Burger

• 1200 g water, plus 3 Tbsp
• 1 ½ tsp fine sea salt, plus 1 pinch
• 100 g quinoa
• 1 Tbsp linseeds
• 30 g extra virgin olive oil, plus 1 Tbsp and extra for greasing
• 30 g shallots
• 1 garlic clove
• 1 pinch ground black pepper
• 200 g tinned black beans, rinsed and drained (1 x 400 g tin)
• 10 g breadcrumbs
• 35 g halved walnuts
• 20 g tomato purée
• 2 tsp ground cumin
• 2 tsp sweet smoked paprika
• 2 - 3 tsp poppy seeds
  or black sesame seeds
• 4 slices preserved red pepper (optional)

Assembly

• 4 Tbsp ketchup
• 4 - 6 curly endive
• 8 - 12 slices tomatoes
• 1 avocado, flesh only, sliced, or to taste (optional)
• 1 red onion, sliced in rings, or to taste (optional)