Cajun Shrimp With Potatoes without tomatoes olive velveeta

1 (3 ounce) bag shrimp or 1 (3 ounce) bag crab boil 3 tablespoons Old Bay Seasoning 3 lbs new potatoes 5 ears corn 2 lbs smoked link sausage 4 lbs large[...]

2 lbs cooked medium shrimp (cut into pieces, or you can use scallops) 8 -9 ounces andouille sausages , chopped 3 -5 tablespoons butter 1 small onion , finely[...]