Savoureux vs. délicieux

'Savoureux' and 'délicieux' are both French adjectives used to describe food that is pleasing to the taste. While they may seem interchangeable at first glance, they convey slightly different nuances and contexts in their use.

Savoureux

Savoureux suggests that something has a full, rich flavor or aroma that makes it enjoyable to eat. It is often used for savory dishes.
Cette soupe est vraiment savoureuse avec toutes ces herbes.
(This soup is really flavorful with all these herbs.)
Les tomates de son jardin sont particulièrement savoureuses cet été.
(The tomatoes from his garden are particularly tasty this summer.)
Le poulet était si savoureux qu'il n'a pas eu besoin de sauce.
(The chicken was so savory that it didn't need any sauce.)

Délicieux

Délicieux is used to describe something that is delicious or extremely pleasant to taste, including both savory dishes and sweet treats. It conveys a sense of exquisite pleasure or delight derived from eating the food.
Ce gâteau au chocolat est absolument délicieux; je ne peux pas m'arrêter d'en manger!
(This chocolate cake is absolutely delicious; I can't stop eating it!)
Ces fruits de mer sont délicieux, ils doivent être très frais.
(These seafood are delicious; they must be very fresh.)
Elle a préparé un dîner délicieux pour toute la famille.
(She prepared a delicious dinner for the whole family.)

Summary

While 'savoureux' typically refers to rich and full flavors commonly associated with savory dishes, 'délicieux' implies an overall pleasure and delight in eating the food, which can apply to both savory meals and sweet desserts. Both terms praise the quality of a meal but offer subtle differences in connotation regarding the type of flavor experience being described. When selecting between the two, one might consider whether the emphasis is on the richness of flavor ('savoureux') or on pleasure and delight ('délicieux').