Main dish soup packed with roasted and grilled vegetables and served with walnut pesto

Ingredients

• 1 leek
• 1 small celeriac
• 12 small carrots (yellow and orange)
• 1 purple sweet potato
• 2 red onions
• 1 small butternut squash
• 1 red pepper
• olive oil
• 3 vegetable stock cubes
• 2 bay leaves
• 1 piece of mace
• 50 g walnuts
• 50 g grated mature cheese
• 50 ml nut oil (walnut)
• 1 clove of garlic
• 20 g flat-leaf parsley
• dash of lemon juice
• country bread
• 50 ml extra virgin olive oil