In a surprising twist, Tuscan kale is served raw—and makes for a substantial and satisfying winter salad. Be sure to choose bunches of Tuscan kale with small leaves, which are more tender.
Place currants in small bowl; add 5 tablespoons white balsamic vinegar. Let soak overnight. Drain currants.
Whisk remaining 2 tablespoons white balsamic vinegar, rice vinegar, honey, oil, and salt in large bowl.
Add kale, currants, and pine nuts; toss to coat.
Let marinate 20 minutes at room temperature, tossing occasionally.
Season to taste with salt and pepper. Sprinkle cheese shavings over salad and serve.