Spaghetti with Cauliflower

Name: Spaghetti with Cauliflower
Ingredients: 5 tablespoons extra-virgin olive oil; 1/4 cup panko (Japanese bread crumbs); 1 medium onion, halved and thinly sliced; 1 head of cauliflower (1 1/2 pounds), cut into 1-inch florets; 2 large garlic cloves, minced; 1 teaspoon cinnamon; 3 cups chicken stock or low-sodium broth; 2 tablespoons white vinegar; 1/2 cup prepared tomato sauce; 1 tablespoon tomato paste; 1/4 cup golden raisins; 1 pound spaghetti; Salt and freshly ground pepper; 1/4 cup pine nuts, toasted