Step 1

Preheat the oven to 425°F.

Step 2

Boil noodles al dente according to package directions. Drain.

Step 3

In a large bowl combine noodles, onions, peas, soup, milk, cheese and tuna. Mix well.

Step 4

Spread into a greased 9x13 inch baking dish or 2.5 quart casserole dish

Step 5

Combine the topping ingredients and sprinkle it over the casserole.

Step 6

Bake for 18-20 minutes or until bubbly.