Avocado Poppy Seed Dressing

½ cup sugar
⅓ cup white wine vinegar
1 teaspoon salt
1 teaspoon dry mustard
1 tablespoon finely minced onion
1 cup canola or vegetable oil
1 avocado, peeled and seeded
¼ cup water
1 tablespoon poppy seeds

Instructions
Combine all ingredients except poppy seeds in a blender or food processor. Pulse until combined. Add additional water 1 tablespoon at at time if dressing is too thick. Stir in poppy seeds. Refrigerate until ready to serve.