Dice the red onion and cook in a little olive oil until translucent but not coloured
2
Dice the tomatoes and strawberries and add them to the pan. Sweat down with the tomato purée and balsamic vinegar on a low simmer for about 20–30 minutes
3
Add the drained sun-dried tomatoes and simmer for a further 5 minutes
4
Transfer the mixture to a blender and blitz until smooth. If it’s still a little thin, return to the pan to reduce further
5
Taste and season with a little salt, some more balsamic vinegar if needed, and the pink peppercorns