Procedure:
Rinse and dry the baby marrow's, fry them in a small quantity of oil and take care to drain them well in absorbent paper.
Layer them in a oven dish with alternate layers of mint leaves, salt and a pinch of pepper.
Add a glass of vinegar to the oil in which you fried the marrow's and boil the mixture for approximately ten minutes.
Pour over the marrow's and allow marinating for at least 12 hours.