The reference to "magic mushroom sauce" is especially colorful. Some sources also suggest pairing mushroom sauce with fish. The traditional official meal included Obusiima and mushroom sauce. Both are often served with sour cream, butter, caramelized onion, mushroom sauce, or gravy. Mushroom sauce can also be prepared as a brown sauce. Variations include mushroom sauce, onion sauce, and herbed brown sauce. In cooking, mushroom sauce is sauce with mushrooms as the primary ingredient. The other popular sauces include creamy mushroom sauce, minced meat sauce and many others. Mushroom sauce is a white or brown sauce prepared using mushrooms as its primary ingredient.