Thin slices of bread
Very thinly sliced radishes
Lemon-black pepper cream cheese (see below)
Spread each bread slice with about 3 t. lemon-black pepper cream cheese (8 oz. cream cheese combined with 1 T. finely grated lemon zest, 4 t. lemon juice, and ½ t. freshly ground pepper) Arrange radish slices on top.