Serves 4. Prep Time: 1 hour, mostly for soaking the frog legs Cook Time: 15 minutes 1 1/2 to 2 pounds frog legs 1 cup milk 1 tablespoon salt 1 tablespoon black pepper 1 cup flour 10 tablespoons unsalted butter, divided 3 garlic cloves, sliced very thin 2 to 3 tablespoons lemon juice 2 to…