In a bowl or jar, mix together the vinaigrette ingredients. Whisk or shake until well combined. Reserve ½ cup for the salad and store the rest in the fridge to use on your fave salads!
Cut cauliflower into bite sized florettes. Meanwhile bring a pot of water to a boil that will hold all the cauliflower.
Once the water is boiling, add the cauliflower. Blanch for 1-2 minutes. You want the cauliflower to retain some firmness.
Drain and place hot cauliflower in a large bowl.
Pour over ½ cup of vinaigrette. Mix to combine.
Add salami, green olives, pepperoncini and capers. Stir to combine.
Let cool completely, stirring occasionally.
Add cheese and parsley. Stir to combine.
Serve immediately or cover and refrigerate for up to one week.