3 Tbs butter
1 cup flavored bread crumbs
Preheat oven to 350 degrees. Add onion and garlic to water, and cook noodles according to instructions, about 9 minutes. Add can of peas including liquid for last 2 minutes of cooking.
While noodles are cooking, melt butter in small sauce pan and add bread crumbs.
Drain cooked noodles, onions and garlic, reserving about 1 cup of liquid. Add mushroom soup, cheese, and water to make smooth mix (you may not need the full cup of water). Put in a 3 1/2 quart baking dish. Bake at 350 degrees for about 15 minutes. Remove from oven and add bread crumbs to top, and bake another 10 minutes until crumbs have browned lightly.