Green Onion Dressing

4 green onions
1 cup vegetable oil
2 tablespoons vinegar
1/2 teaspoon dry mustard
1/2 cup red wine vinegar
3/4 teaspoon Worcestershire sauce

Cut onions into 1-inch pieces. Combine with other ingredients in a blender or food processor and pulse until onions are chopped. Chill several hours before serving.