In a medium pot mix together first 5 ingredients till smooth and thickened.

In a different pot cook pasta...I used Penne.

In a pan cook diced onion and cook till translucent. Dice broccoli and add it to pan, cook till heated through. Add sausage and cook till no more pink..add shrimp and cook for a minute.

Add all ingredients to a casserole dish and put in a 350° oven for 25 minutes or till sauce is bubbly.