Step 1

In a large bowl, toss the cauliflower and cabbage with the dressing until fully coated. Sprinkle with the sunflower seeds. Serve immediately or refrigerate up to overnight.

Step 2

Put the oil, vinegar, honey, mustard, 1/2 teaspoon salt, 1/4 teaspoon pepper and 1 large egg in a blender and blend until smooth. Use a spatula to stir in the poppyseeds, then season with more salt and pepper if needed. Refrigerate until ready to serve.