½ cup lemon juice
2 teaspoons diced onion
1 teaspoon Dijon mustard
½ teaspoon salt
⅔ cup canola oil
1 tablespoon poppy seeds
Blend sugar, lemon juice, onion, Dijon mustard, and salt in a blender until smooth. Stream canola oil in a thin stream into the mixture while blender is running. Add poppy seeds and pulse blender a few times, just to mix seeds into the dressing.