2 tablespoons canola oil 1 large onion (or 2 small), peeled and chopped into large cubes 1 medium/large potato, peeled and cut into large cubes 3 carrots, peeled and cut into round chunks 2 stalks celery, finely diced 2 cups water 1 cup brown or green lentils, rinsed 3 cups vegetable or beef broth 2 […]