Red Lentil, Chickpea (Garbanzo) & Chili Soup

Name: Red Lentil, Chickpea (Garbanzo) & Chili Soup
Prep time: 10 min
Cook time: 25 min
Total time: 35 min
Cuisine: European
Ingredients: 2 teaspoons cumin seeds; 1 large pinch chili flakes; 1 tablespoon olive oil; 1 red onion, chopped; 5 ounces split red lentils; 3 1/2 cups vegetable stock; 1 (14 ounce) can chopped tomatoes; 7 ounces cooked chickpeas, drained and rinsed; 1/2 ounce cilantro, chopped; 4 tablespoons 0% Greek yogurt, to serve