In a saucepan, heat the oil.
Add the onions, carrots, celery and squash.
Sweat the vegetables for 5 minutes.
Add chicken broth, sweet potatoes, honeydew melon and garlic and bring to a boil.
Salt and pepper.
Reduce heat and cook covered for 30 minutes.
Blend until smooth. Set aside
In a small saucepan, heat the honey and ginger on low heat.
Serve the soup and garnish with a little yogurt and honey coulis.