5 issues of BBC Good Food for £5
Boil the eggs for 8 mins then cool in cold water. Peel and halve. Scoop out the yolks.
Put the basil, olives, oil, vinegar and a grinding of pepper in a small bowl. Blitz with a hand blender then add the yolk and roughly mash together. Spoon back into the eggs and keep in the fridge.