Preheat the oven to 400°F (200°C).
Pierce each sweet potato several times with a fork.
Place directly on the oven rack and bake for 45–55 minutes until fork tender.
Meanwhile, heat olive oil in a large skillet over medium heat.
Add diced onion and cook for 3–4 minutes until softened.
Stir in the frozen mixed vegetables and cook for another 5 minutes.
Add the cooked chicken breast, chicken broth, garlic powder, dried thyme, salt, and pepper.
Simmer for 5–7 minutes until everything is hot and well combined.
Remove the skillet from the heat and stir in the blended cottage cheese until smooth and creamy.
Carefully remove the baked sweet potatoes from the oven.
Slice each potato down the center and gently fluff the inside with a fork.
Spoon the creamy High Protein Chicken Pot Pie Stuffed Sweet Potatoes filling generously into each potato.
Garnish with fresh thyme or parsley if desired and serve immediately.