Preheat your oven to 400°F (200°C).
In a large oven-safe skillet, heat olive oil over medium-high heat.
Season the chicken thighs with salt, pepper, and thyme, then add them to the skillet, skin-side down.
Cook the chicken for about 5-7 minutes until the skin is browned and crispy, then flip.
Add the sliced onions, carrots, and minced garlic to the skillet around the chicken.
Add the apple sausages and sliced apples to the pan, arranging them evenly.
Transfer the skillet to the preheated oven and bake for 25-30 minutes.
Check the chicken's internal temperature; it should reach 165°F (75°C).
Let the dish rest for a few minutes before serving.