I'd try this recipe simply based on Sackville Girl's great photo. The salad looks like it's delicious! It's in my cookbook and certainly will be made. (5 stars for the photo)
This recipe makes a very big salad, nearly enough for a main course, and it certainly makes good use of spring ingredients. The avocado dressing had a nice taste to it, although I did find it a bit thick. Next time I might add a bit more lemon juice or olive oil to thin it out a bit. I also prefer red onions to spring onions, since the salad is very green with the asparagus, spinach and broccoli. It's nice to add a bit more colour.