Green Goddess Gazpacho

Name: Green Goddess Gazpacho
Ingredients: 2 large seedless cucumbers, cut into chunks, plus extra thinly sliced cucumber for garnish; 1 1/2 cups plain Greek yogurt; 1 avocado, pitted; 1/4 teaspoon lemon zest; juice of 1/2 a lemon; 1 clove garlic, chopped; 2 scallions, chopped; 3 tablespoons chopped fresh dill, plus extra for serving; 10-12 large basil leaves; 1 jalapeño, seeds and ribs removed; 2 tablespoons extra virgin olive oil, plus extra for drizzling; 2 tablespoons apple cider vinegar; salt and pepper to taste; thinned out Greek yogurt or half and half for serving*