Tuscan Tomato Focaccia - California Raisins

Ingredients

• 1 Tablespoon extra virgin olive oil
• 1 / 2 Tablespoon finely chopped fresh gingerroot
• 1 Tablespoon finely minced shallots
• 1 / 4 Teaspoon cumin seeds
• 1 / 4 Teaspoon black mustard seed
• 1 cinnamon stick, about 2 inches long
• 1 cardamom pod
• 5 Roma tomatoes; peeled, seeded and cut in matchstick-size pieces (julienne)
• 1 / 2 Cup California golden raisins
• 1 / 4 Cup rice vinegar
• 3 Tablespoons honey
• 1 Teaspoon finely chopped garlic
• 4 tomato focaccia (each 4 inches square)
• 8 Ounces grilled chicken breast
• 4 Slices mozzarella cheese
• 4 Slices Asiago cheese
• 2 Ounces arugula
• 2 Teaspoons fresh lemon juice
• Sea salt and freshly ground black pepper; to taste
• Cooking spray, as needed