Spaghetti with Chicken, Feta & Olives

Ingredients

• 12 plum or Roma tomatoes
• 2 sweet yellow peppers
• 2 tbsp extra virgin olive oil (divided)
• 1 small bunch rapini ((thick ends discarded), cut into 2-in. lengths)
• 2 boneless skinless chicken breasts ((total 500 g), diagonally sliced)
• 1/2 cup dry white wine
• 1 pkg whole-grain spaghetti
• 1/2 cup kalamata black olives (rinsed)
• 1 tbsp fresh rosemary (finely chopped )
• 1/4 tsp red chili flakes
• salt and ground black pepper (to taste)
• 1 cup light feta cheese (crumbled)