Preheat oven to 500 degrees. Saute the mushrooms: Heat 1 teaspoon of olive oil in a skillet over medium-high heat. Add the mushrooms, 1/4 teaspoon of salt, and the black pepper. Cook, stirring constantly, until the mushrooms become soft, 3 to 4 minutes. Refrigerate the mushrooms until thoroughly chilled. Coarsely chop the mushrooms and set aside. Dry roast the anise seeds: Cook the anise seeds in a small dry skillet over medium heat just until they start to turn color and release their aroma, 2 to 3 minutes. Crush the anise seeds with a rolling pin and set aside. In a mixing bowl, add the bread crumbs, cheese, thyme, oregano, red pepper flakes, paprika, garlic, chopped mushrooms, the remaining 1/2 teaspoon of salt, anise, and the remaining 3/4 cup olive oil. Blend well using your hands. Top each oyster on the half shell with 2 to 3 tablespoons of the bread crumb mixture. Bake oysters until piping hot, 10 minutes. Serve immediately.
Recipe courtesy of Frank Brigtsen, Brigtsen's Restaurant, New Orleans, LA