Chicken Tetrazzini - cooking recipe

Ingredients

4 to 6 cooked chicken breasts, chopped into chunks or pieces
1 medium onion, diced
3 to 4 Tbsp. fresh parsley
1 pkg. sharp Cheddar cheese
1/2 box linguini
1 small jar pimentos
1/2 to 3/4 c. cooking sherry or wine
1 can cream of mushroom soup
1 stick butter (a little more, depending on onion size)
1 c. milk
1 c. sliced fresh mushrooms

Preparation

In a separate pan, cook linguini, accordingly and drain.