Greek Basil Salad Dressing

Blend together:

1 clove garlic
1 scallion
6 olives
1 tsp. Dijon
1 T. Balsamic Vinegar
1/4 tsp. lemon zest
1 T. fresh lemon
1 small tomato quartered
1/4 tsp. pepper
3 T. chopped basil
1/4 cup olive oil