Curried Lentil Soup - Half Cup Habit

Ingredients

• 2 tbsp canola oil
• 2 leeks (white part only, chopped; or 1 large onion, chopped)
• 1 stalk celery (chopped finely)
• 2 - 4 cloves garlic (minced)
• 1 1/2 tbsp curry powder
• 1 cup lentils, red (dried; rinsed and picked over)
• 5 cups water
• 1 bay leaf
• 1 carrot (chopped)
• 2 cups potatoes (peeled and diced)
• 2 tsp salt
• 1 14.5 oz can tomatoes (diced, in juice)
• 1/2 cup yogurt (plain (or sour cream))