Cook the whole grain pasta according to the box instructions. In the last 2 minutes, add in the asparagus and peas to the pot. Drain the pasta and vegetables and set aside to cool.
In a small bowl, mix together the Maille Honey Dijon Mustard, lemon juice, olive oil and a pinch each of salt and pepper, to taste.
In a large bowl, mix together the pasta, asparagus, peas, chicken, spinach, strawberries, avocado, and radish to the salad along with the dressing. Season with a generous pinch each of salt and pepper, and garnish with feta cheese.