Parmesan Chicken Paillards with Cherry Tomato Sauce

I had chicken breasts defrosted the other night and wasn't sure what I wanted to do with them. I went to Cooking Light's website and searched through their chicken recipes until I found this. I had most of the ingredients (or acceptable substitutes), so I decided to try it.

I'm so glad I did! The chicken is moist and flavorful, and the "sauce" (which is really more like a chutney) is delicious. I ate the leftovers for lunch AND dinner the next day (and I had other options for dinner--I just wanted this)!

4 (6 oz) boneless, skinless chicken breasts (I made 6)
1/2 tsp kosher salt, divided
1/2 tsp freshly ground black pepper, divided
1/4 cup grated Parmesan cheese (I doubled this part b/c I wanted to press the mixture into both sides instead of just one as originally suggested)
1 Tbsp all-purpose flour (see above)
2 tsp olive oil, divided (basically, EVOO for the pan for every 2 breasts you cook)
cooking spray
1/2 cup finely chopped onion
1 minced garlic clove (my addition, not in original recipe)
1/4 cup fat=free, less sodium chicken broth (I didn't have any homemade and didn't want to open a can for 1/4 cup, so I used white wine instead)
2 cups quartered cherry tomatoes
1/2 tsp dried oregano

1. Place each chicken breast half between 2 sheets of heavy-duty plastic wrap and pound to 1/2 inch thickness using a meat mallet or small heavy skillet. Doing this makes the chicken cook faster (it is thinner) and more evenly (it is the same thickness for the entire piece). Don't skip this. Sprinkle with 1/4 tsp salt and 1/4 tsp pepper.

2. Combine cheese and flour in a shallow dish. Dredge 1 side of each chicken breast in cheese mixture. I decided to dredge both sides because it is delicious.

3. Heat 1 tsp oil in a large nonstick skillet over medium-high heat. Add 2 chicken breast halves, cheese side down. Cook 2-4 minutes each side or until done. Repeat procedure with remaining oil/chicken. Remove from pan and keep warm.

4. Coat pan with cooking spray (this is what the recipe said to do and so I did it. However, I don't know why I'd do this step now and not before the chicken. Seems to me you should do it both times). Add onion and saute 1 minute. Add garlic (if using) and saute another minute (be sure to cook the onion a total of 2 minutes). Stir in broth/wine and vinegar; cook 1 minute or until liquid almost evaporates. Add tomatoes, remaining 1/4 tsp salt, remaining 1/4 tsp pepper, and oregano. Cook 2 minutes.

Serve each chicken breast topped with tomato sauce and enjoy. This is also delicious the next day!
1 Tbsp sherry vinegar (didn't have any, so used balsamic