Slow Cooker Buffalo Chicken Sweet Potatoes

Bahan-bahan (4 porsi)

• 1 1/2 pounds boneless skinless chicken breasts ((about 3))
• 3/4 cup hot sauce (such as Frank's)
• 2 tablespoons coconut oil
• 1 teaspoon kosher salt
• 1 teaspoon garlic powder
• 1/2 teaspoon ground cayenne
• 4 sweet potatoes
• 1 tablespoon cornstarch (mixed with 1 tablespoon water to create a slurry)
• Chopped green onions (for serving)
• 1/2 cup nonfat plain Greek yogurt
• 2 tablespoons milk
• 1/2 teaspoon white vinegar
• 1/4 teaspoon ground black pepper
• 1/3 cup crumbled blue cheese (plus additional for serving)