Creamy Chicken and Mushroom Skillet

Name: Creamy Chicken and Mushroom Skillet
Prep time: 15 min
Cook time: 25 min
Total time: 40 min
Cuisine: American
Ingredients: 8 boneless skinless chicken thighs (or 4 chicken breasts (see notes)); 1/2 cup all purpose flour seasoned with 1 teaspoon salt and 1/4 teaspoon pepper; 2 tablespoons butter (1 tablespoon for chicken, 1 tablespoon for mushrooms); 1 tablespoons olive oil; 8 ounces sliced cremini mushrooms; 3 clove large garlic (chopped); 1 1/2 cups chicken stock (or white wine or a combo of both. Beef stock can also be substititued ); 1/2 cup heavy cream (see notes if subbing half and half); 2 tablespoons Dijon mustard; 1 tablespoon heaping chopped fresh thyme (or 2 teaspoons dry); 1/2 cup Asiago cheese (or other hard cheese like Parmesean)