Baked Penne with Chicken and Kale

box penne pasta (I use Dreamfield)

olive oil

large onion, chopped

large red bell pepper, seeded and chopped

large carrot, grated

garlic, grated or minced

bunches kale, stems removed and chopped

ricotta (I used half part-skim and half fat-free)

Tobasoco (or other hot sauce)

Zest and juice of 1 lemon

Parmesan, finely grated (about 3/4 cup)

leftover chicken, shredded (I used 1 chicken breast)

Salt

Pepper