Rainbow Slaw With Sweet Tahini Dressing

Name: Rainbow Slaw With Sweet Tahini Dressing
Ingredients: 3 cups shredded or grated cabbage (I did half thinly sliced and half grated); 1 cup grated carrots (about 1 large carrot); 3/4 cup grated cucumber (skin on); 1/2 cup sweet onion, thinly sliced; 1/4 cup grated sweet onion; 1 1/4 cups finely chopped flat-leaf parsley (stems too!); 1/2 cup shelled organic hemp seeds; optional: chopped walnuts or pecans and/or raisins or dried cranberries; 2 Tbsp tahini; 2 Tbsp grade B maple syrup; 2 Tbsp apple cider vinegar; 1 small lemon, juiced; 1/2 tsp garlic powder; salt and pepper to taste