Food & Cooking Recipes Appetizers Finger Food Recipes Radish Canapes with Black-Olive Butter 3.4 (23) Close Servings: 6 Spread small radish canapes with a pungent olive butter. Directions Mix olives, scallions, mint, and butter in a bowl. Season with pepper. Spread olive butter onto each baguette slice. Thinly slice radishes. Layer 2 or 3 slices on top of each canape.