Pulled Pork Sandwich with Garlic, Ginger and Raisins - California Raisins

Ingredients

• 2 Cups seasoned rice vinegar
• 2 Tablespoons minced fresh garlic
• 2 Tablespoons grated fresh gingerroot
• 1/2 Cup light soy sauce
• 1 medium white onion, peeled and thinly sliced
• 2 Pounds pork shoulder, trimmed of excess fat
• 2 Tablespoons olive oil
• 11/2 Cups California raisins, divided
• 1/4 Cup (2 fluid ounces) sweet soy sauce*
• 10 multi-grain sandwich rolls, toasted