Add olive oil to pan and turn on medium heat
Add minced garlic and let simmer for 1-2 minutes
Add diced yellow onion
While onion and garlic are simmering, cut up all 3 color's of bell peppers
Add the diced bell peppers to the pan
Let simmer and cook for about 5 minutes
In the meantime, cut up the polish sausage in 1/2" thick sections
Add sausage to pan
Cut grape tomatoes in half and add to pan
Let cook for 5 minutes
Add chicken broth directly to pan
Turn up heat to allow broth to boil and add pasta
Continue to mix until noodles are cooked (about 10 minutes)
Add Italian Seasoning, Salt and Pepper
Add parmesan cheese to pan and stir
Let cook for 10-15 more minutes
If going for aesthetics, add a little cheese on top, cover and let the cheese melt
Garnish with chopped up parsley
Serve