- Begin by patting the chicken thighs dry with paper towels. 
- Lightly season them with salt and pepper. 
- Coat each piece with flour, dusting off any excess. 
- In a large, hot skillet, heat the olive oil over medium heat. 
- Brown the chicken thighs on both sides, around 3-4 minutes per side until golden. 
- Remove chicken and set aside. 
- Add onions, celery, carrots, and mushrooms to the skillet. 
- Sauté until onions are translucent and vegetables are slightly softened. 
- Pour in the red wine to deglaze the skillet. 
- Simmer for 5 minutes, scraping up any browned bits for extra flavor. 
- Transfer browned chicken and sautéed veggies to a slow cooker. 
- Add baby potatoes and chicken broth, distributing evenly. 
- Cover and cook on low for 6 hours or until chicken is tender.