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Export 8 ingredients for grocery delivery
Step 1
Bring a large pot of lightly salted water to a boil. Cook pasta in boiling water for 8 to 10 minutes, or until al dente; drain.
Step 2
Preheat oven to 425 degrees F (220 degrees C).
Step 3
In a large bowl, thoroughly mix noodles, onion, 1 cup cheese, peas, tuna, soup and mushrooms. Transfer to a 9x13 inch baking dish, and top with potato chip crumbs and remaining 1 cup cheese.
Step 4
Bake for 15 to 20 minutes in the preheated oven, or until cheese is bubbly.