Cost information for the following is not included. Normally this is because the quantity or ingredient is unknown
Zest of one lemon
Salt and freshly ground pepper
2 anchovy fillets
2 egg yolks**
1/2 cup extra-virgin ollive oil
Salt and freshly ground black pepper
1 cup grape tomatoes, halved
Any other green you want to add
if you are squimish about using raw eggs, substitute 2 tablespoons mayonnaise for the egg yolks.