Salt (to taste) Pepper (to taste) Saute the green onions in butter until they're soft then add oysters, oyster water, thyme, oregano, basil and garlic. Stir gently. Make a roux from the butter and flour and add to the above mixture. Simmer this sauce for 5 minutes and then remove it from fire. Add the cream to the sauce and keep the mixture warm. Season with salt and pepper to taste.