Ingredients
2/3 cup sugar1/3 cup cider vinegar1/3 cup canola oil1 small onion, finely chopped4 teaspoons prepared mustard1 teaspoon salt1/2 teaspoon coarsely ground pepperFresh spinach leaves
Preparation
Combine the first seven ingredients in a blender or food processor; cover and process until smooth. Serve over fresh spinach. Store leftover dressing in the refrigerator.