If you agree to take part in this study, you will receive 3 different amounts of lentils which will contain different amounts of the essential amino acid methionine as well as 3 different amount of lentils complemented with rice. The lentils will be cooked in a stew served on its own or served with the rice. The quality of the protein in the lentils will be compared to the quality of a reference protein (egg protein) by giving you 4 reference diets containing amino acids make up like the amino acids in egg protein. The amount of lentils you receive will be provided in a random order.