Lentil Soup with onion

1 1/2 tablespoons olive oil 2 medium onions , chopped 2 large carrots , peeled, chopped 3 garlic cloves , minced 4 teaspoons curry powder 1 (16 ounce) package[...]

1/4 cup butter 4 garlic cloves , minced 1 large onion , diced 4 celery ribs , diced 1 lb red lentil 1 bay leaf 1 1/2 teaspoons ground cumin 2 quarts chicken[...]

2 1/3 cups water , divided 1 1/2 cups dried small red lentils 1 teaspoon sugar 1/4 teaspoon ground turmeric 1 (14 1/2 ounce) can vegetable broth 1 tablespoon[...]

sea salt , more to taste 1 1/2 tablespoons olive oil 1 large onion , chopped 2 cups chopped leeks , white and light green only 1 medium sweet potato , diced,[...]