Grade A vanilla beans, also known as gourmet or prime vanilla beans with a uniquely subtle flavor of vanilla with notes of chocolate are plump, moist, and richly flavored. They are dark, chocolatey brown and visibly oily and free from imperfections more pliable. Moisture. They are supple with a moisture content of 25-35% moisture content, making them oily and flexible. Gourmets vanilla beans have a very high amount of vanillin making them suitable for cooking and baking. Ugandan beans Specialty: bold flavor, high Vanillin content, highly oily.