Broccoli Chickpea Soup with Turmeric + Tahini — Ruby Josephine

Name: Broccoli Chickpea Soup with Turmeric + Tahini — Ruby Josephine
Cuisine: Asian, Middle Eastern
Ingredients: 1 lb (450g) head of broccoli, chopped (including the stem); 2 1/2 cups (525g) cooked or canned chickpeas, rinsed; 1 large white onion, diced; 2-3 garlic cloves, minced; 2 tbsp olive oil; 1 1/2 tsp salt (more or less to taste); 1/2 tsp black pepper; 3/4 tsp fresh ground turmeric; 1/2 tsp ground cumin; 1/4 tsp ground ginger; 4-5 cups water or vegetable stock; 1/4 cup (4 tbsp) drizzle-y tahini; Lemon slices for serving