Using a food processor or blender, blend cilantro and garlic in 1/4 cup of water and set aside.
In a large stove top pot, heat olive oil on high heat. Add onions and sauté until slightly brown. Approximately 3 minutes.
Next, add chicken broth, chicken, green beans, celery and bring to a boil. Once boiling, reduce heat to medium low and cook for 10 minutes while stirring occasionally.
Add blended cilantro and garlic, rice, salt and sweetener. Let simmer for 5 minutes.
Transfer to a serving bowl and serve with a wedge of lime.