Step 1

Preheat the oven to 350 degrees F.

Step 2

Combine butter and flour in a saucepan to make a roux. Cook mixture in a saucepan over low heat for 5 minutes.

Step 3

Add the milk, salt, pepper and cheese to the mixture in the saucepan.

Step 4

Cook for 5 minutes, until the sauce is smooth.

Step 5

Combine pasta, tuna, paprika, and sauce.

Step 6

Transfer to a casserole and cover with foil.

Step 7

Bake for 20 minutes.

Step 8

Garnish and serve. Enjoy!