Alternation of generations. Alternation of generations, also called Metagenesis, or Heterogenesis, in biology, the alternation of a sexual phase and an asexual phase in the life cycle of an organism. The two phases, or generations, are often morphologically, and sometimes chromosomally, distinct.
Types of Entrees. Tchoupitoulas sauce is a tasty addition to many meat dishes, including fish such as halibut, trout or salmon; veal chops; shrimp; chicken and oysters. It is often served in conjunction with other popular sauces such as Bearnaise.ngredients. The base ingredients of Tchoupitoulas sauce are butter or a butter/margarine mix, Cajun seasoning, and cayenne pepper. Other ingredients are added, depending on the flavor desired or the meat or fish used.
The roux is used in three of the five mother sauces of classical French cooking: bÃ©chamel sauce, veloutÃ© sauce, and espagnole sauce. In Cajun cuisine, roux is made with bacon fat or oil instead of butter and cooked to a medium or dark brown color, which lends much richness of flavor, albeit less thickening power.