Step 1

Preheat the oven to 375 F.

Step 2

Bring a pot of water to a boil. Boil the pasta according to package instructions. Drain in a collander and set aside.

Step 3

Bring a large skillet to medium heat with the extra virgin olive oil. Add the onions, celery and salt and pepper. Cook 4-5 minutes until the vegetables are translucent.

Step 4

Whisk the flour and broth into the skillet with the vegetables. Whisk until the flour is combined. Add the mushrooms and cook 3 minutes then add the tuna, peas, nutritional yeast and pasta to the skillet. Stir to combine.

Step 5

Transfer the contents from skillet to a 13.5-inch x 8.25-inch rectangular casserole dish.

Step 6

Bake in the oven 25 minutes then remove, add the dried parsley on top and serve!