Creamy Cajun Chicken Shells

01 20 jumbo pasta shells

02 2 cups cooked chicken, shredded

03 1 tbsp olive oil

04 1/2 onion, finely chopped

05 1 red bell pepper, diced

06 2 cloves garlic, minced

07 1 tsp Cajun seasoning

08 1/2 tsp paprika

09 1/4 tsp salt

10 1/4 tsp black pepper

11 1 cup ricotta cheese

12 1 cup shredded mozzarella cheese

13 1/2 cup grated Parmesan cheese

14 2 tbsp butter

15 2 tbsp all-purpose flour

16 2 cups milk

17 1/2 cup heavy cream

18 1 tsp Cajun seasoning

19 1/4 tsp garlic powder

20 Salt and pepper to taste