match made in heaven

plural matches made in heaven

1. idiomaticA relationship, such as a marriage, that is happy and successful, sometimes because the partners are very compatible.

   1 more example

   He and Mrs Jonathan were a remarkable pair; one of those ill-assorted couples that you wonder at. ‘How in the world did they come together?’ was the usual question, the philosophic reply to which would have been, that theirs was actually one of the ‘Matches made in heaven.’ The gentleman got money to enable him to follow the bent of his genius without anxiety for his daily bread, and therewith a stirring wife to take care of him and his house; the wife got her great desideratum, a husband, and therewith the desideratum of all women, her own way.

   1860, Anne Beale, Gladys, the Reaper

2. broadlyA very successful combination of two people or things.

   The pear essence combined with the chocolate is a match made in heaven.

   2002, Nick Stellino, “Pere al Cioccolatto”, in Nick Stellino's Glorious Italian Cooking, Penguin, →ISBN, page 180