Grilled Potato Salad with Gherkins and Mustard

Ingredients

• 2 lbs mini new potatoes ((if using larger potatoes, cut them into 2" chunks))
• 2 tsp sea salt
• 1 large sweet onion (cut into 12 wedges)
• 4 cloves garlic (minced)
• 1/4 cup olive oil
• 1/4 cup apple cider vinegar
• 1 tbsp fresh parsley (chopped)
• pinch cayenne pepper
• coarsely ground black pepper and sea salt (to taste)
• 1 cup mini gherkins ((such as 1/2 jar Maille Mini and Crunchy Extra Fine Gherkins with Vinegar))
• 1/4 cup Nicoise small black olives ((approx. 24))
• 1/4 cup sundried tomatoes (chopped)
• 1/2 cup goat's cheese (crumbled)