Creamy chicken & mushroom simmer sauce

water 69.1% , mushroom needs 6.0% , buttermilk 3.3% , vegetable oil 3.3% , Thickener 3.3% , egg yolk 3.3% , onion 3.3% , garlic 3.3% , sugar 1.5% , sa food acid 1.5% , yeast extract aroma 1.5% , pepper 0.5% , parsley manufactured on equipment that processes peanuts 0.2% , e just add 500 glean chicken breast health star rating made in australia from at least 70% per 100 g as ropared* or 0.3%