Heat the extra virgin olive oil in a medium pot over medium heat.
Add the diced onion, carrots, and celery, sautéing for 5-7 minutes until the vegetables begin to soften.
Stir in the minced garlic and cook for 1 minute until fragrant.
Add the chicken breast pieces, sea salt, and black pepper, searing the chicken slightly on all sides.
Pour in the chicken broth and bring the mixture to a gentle simmer, then reduce heat to low.
In a small mixing bowl, whisk together the whole wheat flour, baking powder, chopped thyme, and chopped parsley.
Stir the Greek yogurt into the flour mixture until a thick, sticky dough forms.
Using a small spoon, drop rounded tablespoons of the dumpling dough directly onto the simmering broth.
Cover the pot with a tight-fitting lid and steam for 10-12 minutes without lifting the lid.
Verify the dumplings are firm and the chicken is cooked through before serving in a shallow bowl.