Bring one med/large pot of water to boil add salt and stir.

Add noodles to boiling water and set a timer for 6mins

While noodles are boiling, in a separate skillet over med heat add butter and onion, saute onion until translucent. Add all other ingredients, excluding the grated cheese and bread crumbs and simmer all other ingredients for approximately 5mins.

Remove noodles from stove and drain. Do NOT rinse noodles. Place noodles evenly over the bottom of a large baking dish. Pour skillet ingredients evenly over noodles. Mix the last 2 ingredients in a bowl and sprinkle evenly over top of casserole and bake for 35 mins at 375° or until casserole topping is golden brown.