Slow Cooker Vegetable Stew

Name: Slow Cooker Vegetable Stew
Prep time: 15 min
Cook time: 4 h 17 min
Total time: 4 h 32 min
Cuisine: American
Ingredients: 1 tsp. olive oil; 1 medium onion, chopped; 1 medium green bell pepper, chopped; 1 medium red bell pepper, chopped; 2 cloves garlic, coarsely chopped; 2 cups low-sodium organic vegetable broth; 1 (14.5-oz.) can diced tomatoes, no added salt; 2 15-oz. cans chickpeas (garbanzo beans), drained, rinsed; 1 Tbsp. curry powder; 1 Tbsp. pure maple syrup; 1 Tbsp. fresh ginger, finely chopped; ½ tsp. sea salt (or Himalayan salt); ½ tsp. ground black pepper; 1 dash ground cayenne pepper (optional); 1 medium head cauliflower, cut into florets; 1 (10-oz.) bag raw baby spinach; 1 cup lite coconut milk