01 -
Sprinkle each side of chicken thighs with Italian seasoning, salt, and pepper.
02 -
In a large skillet over medium-high heat, melt butter with olive oil. Add diced onion and garlic and sauté for about 2 minutes.
03 -
Move onions and garlic to the side of the pan and add seasoned chicken thighs. Sauté for about 2-3 minutes on each side until nicely browned.
04 -
Transfer the contents of the pan to the slow cooker. Add chicken broth, cover, and cook on low for 5-7 hours or high for 3-4 hours.
05 -
Remove chicken thighs and cover to keep warm. Add cream, mustard, and lemon juice to the slow cooker and whisk until combined.
06 -
To thicken the sauce, pour it into a small saucepan and whisk in 1 tablespoon of cornstarch. Bring the sauce to a boil for 2-3 minutes until thickened to the desired consistency. Add additional salt and pepper to taste.
07 -
Pour the thickened sauce over the chicken thighs and serve warm.