Ingredients:
1 pound of raw shrimp frozen is fine as long as you thaw it first
8 ounces penne pasta cooked to package instructions
2 tablespoons extra virgin olive oil
3 tablespoons cajun seasoning divided
2 tablespoons butter
2 cloves garlic minced
1 tablespoon all-purpose flour
1 1/2 cups half and half
1/3 cup grated parmesan cheese
salt and pepper to taste
diced tomatoes optional
fresh parsley optional