Instead of roux-thickened sauces, pureed fruits and vegetables are used and liquids are reduced by cooking to appropriate thickness. This is known as cuisine.

nouvelle cuisine

Explanation:

Instead of roux-thickened sauces, pureed fruits and vegetables are used and liquids are reduced by cooking to appropriate thickness. This is known as nouvelle cuisine.  Nouvelle cuisine is a french cuisine in which pureed fruits and vegetables are used for thickening, this cuisine emphasizes the use of natural and fresh ingredients in cooking, it is made with the freshest possible ingredients.