Chicken stuffed with onions and cheese

Adapted from Healthy in a Hurry

Ingredients

1. 4 tsp extra virgin olive oil
2. 1 1/2 c diced red onion
3. 2 TB rosemary
4. pinch of salt
5. pepper to taste
6. 2/3 c shredded gruyere (or other strong flavoured cheese)
7. 4 boneless, skinless chicken breasts
8. 3/4 c white wine
9. 4 tsp flour

Directions

1. Heat 2 tsp oil in pan and add onion and 1 TB rosemary
2. Saute onion until golden brown
3. Season with salt and pepper and let cool
4. Add cheese to onion mixture
5. Cut long, horizontal slit in chicken breasts, nearly through to the other side
6. Stuff each chicken breast with 1/4 c of onion/cheese mixture
7. Heat remaining oil in pan and add chicken.
8. Cook chicken until golden brown
9. transfer chicken to plate
10. Add wine and rest of rosemary to same skillet
11. Whisk in four and reduce to medium-low
12. Whisk until sauce thickens
13. Pour sauce over chicken and serve