Lentil Burgers with Beetroot Rolls and Vegan Mayonnaise

Name: Lentil Burgers with Beetroot Rolls and Vegan Mayonnaise
Prep time: 30 min
Cook time: 4 h 20 min
Total time: 4 h 20 min
Yield: 10 pieces
Ingredients: 200 g lentils; water; 250 g groundnut oil; 50 g olive oil; 15 g lemon juice; 100 g soya milk; 1 garlic clove; 1 tsp fine sea salt; 150 g sweet potatoes; 400 g water; 100 g cooked beetroot; 25 g fresh yeast; 500 g bread flour; 1 tsp fine sea salt; 1000 g water; 1 ½ tsp fine sea salt; 70 g bread; 10 g fresh parsley; 100 g red onions; 50 g wheat germ; 25 g olive oil; fresh spinach leaves