Salt a large pot of water with 1 tbsp salt and bring to boil.
Prepare rapini by rinsing thoroughly and trimming stems.
Boil rapini for 5 minutes and remove from water.
Salt another large pot of water with the other 1 tbsp of salt and cook pasta according to package instructions.
Grill sausages over medium heat until cooked through, 8-10 minutes.
Heat a frying pan with 2 tbsps olive oil over medium heat.
Add rapini, salt to taste, pepper, hot pepper and garlic to large frying pan.
Saute over medium heat until cooked through, 3-4 minutes.
Remove from heat.
Slice up sausages.
Add pasta, 2 tbsps of olive oil and sausages to rapini mixture.
Top with Parmesan cheese and serve.