Creamy white bean and chicken penne

Ingredients

• 375 grams wholemeal penne pasta
• 1 zucchini, thinly sliced
• 100 grams yellow squash, sliced
• 500 grams chicken breast fillet, cut into 1cm slices
• 1 rindless bacon rasher, finely chopped
• 1 onion, finely chopped
• 2 cloves garlic, crushed
• 400 grams can cannellini beans, drained
• 1/2 cup chicken stock
• 1/2 cup milk
• 1/4 cup fat-free semi-dried tomatoes, chopped
• 1/4 cup grated parmesan
• grated zest of 1 lemon
• chopped flat-leaf parsley to serve