1 c. buttermilk
2 medium cucumbers, peeled, seeded and diced
2 medium tomatoes, sliced into wedges
4 tsp. vegetable oil
2 tsp. lemon juice
1 clove garlic, finely minced
1 tsp. oregano
1/2 tsp. mint leaves
salt and freshly ground black pepper to taste
chilled celery strips

Pour buttermilk into a bowl and add remaining ingredients, except celery strips. Let stand 1 hour in the refrigerator, until ready to serve. Mix well before serving. Serve with chilled celery strips as an appetizer.