Recipe tried from (modified with tomatoes)
1 (3 ounce) package cream cheese
1⁄2 cup chopped pimento stuffed olive
1⁄2 cup chopped walnuts
2 tablespoons mayonnaise
12 slices thin sandwich bread
Combine cream cheese, olives, walnuts and mayonnaise & tomato slice (I also used cheese slices)
Spread on 6 slices of bread, cover with remaining 6 slices.