Happy Brie Olivas Negras is a locally made vegan cheese in Barcelona, created with a blend of cashews and kalamata olives. This cheese is described as rich in flavor and smooth in texture, making it a delightful treat for cheese lovers. Some reviews mention its creamy and delicious taste, while others highlight its unique combination of ingredients. Overall, this product is worth trying for those who enjoy vegan cheese and are looking for something new and exciting.