Tuna Tetrazzini Casserole


Get ready to put your own twist on the traditional Betty Crocker Tuna Helper – this Tuna Tetrazzini Casserole is delicious!

This Tuna Tetrazzini Casserole is different from your traditional tuna casseroles, with savory flavors like mushroom, sweet onion, and parmesan cheese.

Prep Time: 30 Min

Spaghetti Tuna Parmesan cheese Bread crumbs Butter Mushrooms All purpose flour

Cook Time: 30 Min


White Scribbled Underline

Step 1

In a large skillet over  medium-low heat, melt butter. Add mushrooms and cook until tender and lightly browned.

Step 2

Add onion and cook for another  2-3 minutes or until they start to soften. Sprinkle in flour and stir to coat. Cook to remove raw flour taste, 1-2 minutes.

Step 3

Whisk cup milk at a time, stirring to make a creamy sauce mix. Stir in tuna and peas. Season with salt and pepper.

Step 4

Stir pasta into tuna mixture. Spread into a prepared casserole dish. Sprinkle with parmesan cheese.