Preparation:

Cut cauliflower into 2.5cm pieces and set aside. Cut the hard boiled eggs into 6mm slices, place spinach in a large bowl and add the eggs. Fry the bacon until crisp then add to the spinach. Add red onion, oil, vinegar and mustard to the pan and bring to a simmer, stirring occasionally. Remove from heat. Bring a large pan of water to the boil and season with salt. Add the cauliflower and cook for 6-7 mins, drain and add to spinach. Bring contents of the frying pan to the boil and pour over salad, toss gently and season with salt & pepper.