Heat sauce pan and add oil until it's nice and hot
Roughly chop onion and mince garlic
Slice peppers into bite sized pieces
Rinse cannellini beans
Add onion to pan and saute on medium-low until very soft
While onions are cooking, start boiling a pot of water for pasta
Once onions are soft, add peppers until they start to caramelize a bit. Then add garlic and cook until fragrant . Also add beans and saute for one minute
Pour chicken broth into the pot and bring to boil before simmering for 15 minutes
Add parsley and salt to taste
Toss the pasta in at the last second and top with some parmesan