1 Tbsp of your favourite pesto - basil, sundried tomato; or
1 Tbsp each of Finely chopped gherkins and sundried tomatoes; or
½ ripe avocado mashed; or
¼ tsp chilli paste - or more if you like it spicy; or
1-2 tsp good quality balsamic vinegar; or
1-2 Tbsp of your favourite chopped herbs - basil, parsley, dill.