― Conchiglie in Tomato & Basil sauce is a basic Italian pasta recipe made using classic combination of tomato & basil leaves. Am a total fan of tomato & basil combination. The tangyness of tomato & sweet flavor of basil strikes the right balance be it a Tomato soup or a pasta sauce like I am making one today. ∙ Conchiglie is commonly known as shell pasta which is clearly evident why from its 'shape'. I prefer to use this pasta type for this dish as the shell shape helps to [...].