Variety is the spice of life. This crostini, in each of its variatians, is delicious any way you top it.
Replace the artichoke hearts with 1/2 cup crumbled feta cheese.
Replace the artichoke hearts with 1/2 cup coarsely chopped kalamata olives.
We chose Italian plum tomatoes, also known as Roma tomatoes, because they are not as juicy and have less seeds than regular tomatoes.