Lentil Orange Soup

ONE
1 onion, chopped
6 cloves garlic, pressed
1 tsp olive oil
1 carrot, chopped
1 stalk celery, chopped

TWO
2 cups red lentils
2 cups orange juice
juice of 1 lemon
5 cups water or vegetable broth (more if needed)
1 tsp thyme
salt, pepper, and cayenne pepper, to taste
2 tbsp brown sugar

fat-free plain yogurt (optional)

In a  pan, sauté the ingredients in ONE. Add the ingredients in TWO, bring to a boil. Lower the heat and simmer, covered, for 20 minutes. Lightly blend with a handheld mixer or blender (about 4 pulses). Serve with fat-free yogurt.