Tuna Tetrazzini - Tuna and Spaghetti Casserole

This tuna tetrazzini is a delicious tuna casserole to make for an everyday family meal. This tuna and spaghetti casserole can be made in advance.

Category: Main Dish

Cuisine: not set

Ready in 30 minutes
by thespruce

Ingredients

8 ounces thin spaghetti

6 tablespoons butter divided

16 ounces thinly sliced mushrooms

4 green onions thinly sliced

4 tablespoons all-purpose flour

2 cups milk

1/2 teaspoon salt or to taste

1/8 teaspoon freshly ground black pepper

2 cans (4 to 6 ounces each) tuna drained and flaked

1 cup frozen green peas cooked and drained

1 cup shredded natural Parmesan cheese or about 1/2 cup

1 cup soft fresh bread crumbs


Directions

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