3 lg. tomatoes
1/3 c. olive oil
1/4 c. red wine vinegar
1 tsp. salt
1/4 tsp. pepper
1/2 clove garlic, crushed
1 tbsp. chopped parsley
1 tbsp. chopped fresh basil or 1 tsp. dried basil leaves
2 tbsp. chopped onion

Cut tomatoes into 1/2 inch thick slices and arrange in a shallow dish; set aside. Combine remaining ingredients in jar, cover tightly and shake vigorously. Pour over tomato slices. Can be made up to several hours before serving.