Lentil Soup without bouillon

1 tablespoon extra virgin olive oil or 1 tablespoon canola oil 1 shallot , chopped 1 celery rib , diced 1 Tomato , diced 1 teaspoon fresh oregano , chopped or[...]

1 1/4 cups lentils (green or brown) 2 small carrots or 2 medium carrots , diced 2 cups mushrooms , sliced 3 stalks celery , diced 1 medium onion , diced 2[...]