Season the chicken generously with paprika, garlic powder, salt, and pepper.
1 pound boneless skinless chicken breasts, 1 teaspoon paprika, 1 teaspoon garlic powder, Salt and black pepper
Heat olive oil in a skillet over medium-high heat and sear the chicken 2–3 minutes per side until lightly browned.
1 tablespoon olive oil
Transfer the chicken to the slow cooker and add mushrooms, minced garlic, Marsala wine, and chicken broth.
4 garlic cloves, ¼ cup sweet Marsala wine, ¼ cup low-sodium chicken broth, 2 cups sliced mushrooms
Cover and cook on LOW for 2 hours or until the chicken is fully cooked and tender.
Turn the slow cooker to HIGH.
In a small bowl, whisk cornstarch with cold water to create a smooth slurry.
3 tablespoons cornstarch, 2–3 tablespoons cold water
Stir the slurry into the slow cooker and cook for 10 minutes until the sauce thickens.
Remove chicken and set aside. Stir in heavy cream and mix well.
¼ cup heavy cream
Serve the chicken with the sauce and garnish with fresh parsley or thyme.
Fresh parsley or thyme