Rainbow Chard and Lentil Soup

Name: Rainbow Chard and Lentil Soup
Ingredients: 1 tablespoon Ghee; 2 medium Spanish onions, finely chopped; 2 tablespoons Tomato puree; 1 tablespoon thyme; 1 cup Puy Lentils, rinsed; 1 cup Pot Barley; 1 can of tomatoes; 2 bunches Swiss Chard, stalks cut off leaves torn into 2 inch pieces; 1 cup finely chopped celery; Salt and pepper to taste