Lemony Lentil Soup

Name: Lemony Lentil Soup
Ingredients: 1 tablespoon oil; 1 onion, diced (~1 cup); 2 carrots, diced (~1 cup); 2 stalks celery, diced (~1 cup); 2 cloves garlic, chopped (~1 tablespoon); 1 tablespoon ginger, grated; 1 teaspoon cumin, toasted and ground; 1 teaspoon coriander, toasted and ground; 1 teaspoon turmeric; 8 cups vegetable broth or chicken broth; 1 1/2 cups yellow (or red) lentils, picked over; 1/2 cup quinoa; 1 large lemon, zest and juice; salt, pepper and cayenne to taste; 2 tablespoons cilantro or parsley, chopped