How to make grilled sardines in the oven   Ingredients: Half a kilo of sardines Onion sliced 6 Tablespoons of lemon juice Salt and black pepper (to taste) Tablespoon ground cumin A quarter cup of olive oil 1 Tablespoon dried green thyme 1 Tablespoon crushed garlic 2 Tablespoons white vinegar   Method: Clean the sardines well, inside and out. Put the onion slices in the