Place a large heavy baking sheet in oven. Preheat the oven to 400° (keep the baking sheet in oven as it preheats).
Place potatoes, oil and powdered bouillon in bowl; toss to coat. Then spread the potatoes out on preheated baking sheet and roast for approximately 30 minutes. Turning after about 20 minutes.
While potatoes are roasting combine dressing ingredients whisk together the oil, garlic, mustard, lemon juice , vinegar, salt & pepper, in small bowl. Then, stir in the chives and goat cheese.
Drizzle the dressing over the hot straight from the oven potatoes & serve.