Ingredients:
250g macaroni,
150g sweetcorn (kernels, drained),
1 red bell pepper (finely diced, ~100g),
1 celery stalk (thinly sliced, ~50g),
1/2 red onion (finely diced, ~60g),
4 tbsp mayonnaise (80g),
2 tbsp crème fraîche (30g),
1 tbsp chopped parsley or chives,
1 tsp mild mustard
, salt, freshly ground pepper
