Cajun Shrimp Mac and Cheese

Name: Cajun Shrimp Mac and Cheese
Prep time: 45 min
Cook time: 30 min
Total time: 1 h 15 min
Cuisine: Southern, American, Cajun And Creole
Ingredients: 1 lb large shrimp, thawed, peeled & deveined; 1 tbsp olive oil, plus more for sauteing; 1 tbsp cajun seasoning mix (see link in post for making your own); kosher salt, to taste; 1/4 c. butter; 3 tbsp flour; 2 c. milk (I recommend whole milk); 8 oz. cream cheese, softened & cut into pieces; 2 tsp. country-style Dijon Mustard ((or 1 tsp. ea. Dijon and whole grain mustard)); 1/2 tsp. kosher salt; 1/2 tsp. pepper; 1 c. fresh bread crumbs; 2 tbsp. butter, melted; 2 tbsp. chopped fresh parsley; 7 oz. uncooked elbow macaroni (slightly less than half of a 1 lb. box); 2 c. Cheddar cheese (8 oz.), cut into 1/2" cubes