Ingredients
Method
1.Combine butter, anchovy, onion and mustard in small bowl. Season to taste.
2.Spread butter mixture over one side of eight slices of bread and over both sides of four slices of bread.
3.Top four slices of the bread buttered on one side with half the radish; top with the bread buttered on both sides. Top with remaining radish and bread. Discard crusts; cut each sandwich into four triangles.