Preheat oven to gas 6, 200°C, fan 180°C.
Place peppers, chillies and garlic in a large tin and roast for 15 minutes.
Add tomato halves and roast for a further 10-15 minutes until peppers have charred on the outside. Remove from the oven and cool till you can handle them.
Skin peppers and place flesh in a liquidiser. Skin and deseed tomatoes. Place seeds in a sieve and collect juice. Add this to the liquidiser plus the flesh of the tomatoes and chillies.
Squeeze the flesh out of the garlic cloves into the liquidiser with the oil and vegetable stock and liquidise until smooth.
Reheat to serve and top with seed mix — add pesto and croutons if desired.
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Guideline daily amounts are calculated for a standard adult woman.
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