1/4 c. oil
2 tbsp. vinegar
1 tbsp. prepared mustard
1 tsp. sugar
1 tsp. salt
1 tsp. minced parsley (or more)
1/4 tsp. each pepper, basil, oregano
Seasoning may be increased to taste

Blend all ingredients together in blender. Shake again before serving over fresh sliced tomatoes on salad.