Mix your lemon zest and juice with the honey and brush over the salmon fillets.
Bake for 15 - 20 minutes at 180C until cooked through.
Allow to cool.
Arrange your salad ingredients onto a bed of the spinach.
Make the dressing by whisking all of the ingredients together. It can take a while as the tahini is a bit slow to incorporate, but it will get there. Add a teaspoon or two of water if it's all too gloopy.