Golden Cauliflower and White Bean Stew

Name: Golden Cauliflower and White Bean Stew
Ingredients: 1 tablespoon olive oil; 1 large sweet onion, diced; 2 cloves garlic, minced; 1 inch knob fresh ginger, peeled and minced; 2 teaspoons ground cumin; 1/2 teaspoon ground turmeric; 1 large head cauliflower, cored and cut into bite sized florets; 2 medium heirloom tomatoes, rustically cubed; 1/2 cup raisins; 4 cups vegetable broth; 1 can (15 ounces) cannellini beans, thoroughly rinsed and drained; 4 cups baby spinach; salt & pepper to taste