Based on the Spanish sauce originating from Catalonia, this romesco recipe makes a delicious dip that also works well served alongside grilled fish or seafood.
- Lightly toast the chopped walnuts in a dry frying pan until golden, then remove and set aside to cool.
- Meanwhile, heat the olive oil in the same frying pan and gently fry the garlic and tomatoes for 5 minutes. Remove from the heat and set aside to cool a little.
- Blitz the tomato mixture in a blender with the peppers and two thirds of the walnuts until smooth. Scoop into a serving dish and garnish with the remaining walnuts.