2 tbsp. red wine vinegar
2 tbsp. lemon juice
1 tbsp. Dijon-style mustard
1/4 c. chopped onion
3 tbsp. chopped parsley
1 tsp. fresh basil, chopped
3/4 tsp. sugar
1/2 c. olive oil
1 c. vegetable oil
Salt & freshly ground pepper

In a bowl, whisk all ingredients except oil. Continue beating, gradually adding oils. Season with salt and pepper to taste.