No, this time we won't sing shanties. We'll prepare great few-minutes-ready appetizer. In fact my wife prepared it, I was only the one, who slice the onion, so we can say it is my recipe. 

Check if your kitchen; have you found:

mushrooms

onion

butter 

olive oil 

rolls

salt & pepper?

If you answer "Yes" in every case it means, due to Chinessee horoscope, you will be fed, happy people very soon.
Dice onions and mushrooms and fry it on olive oil. Cut off rolls' bottoms and eviscrate what have left - leave only a crust.
Cut the butter very thin and use slices to to fill rools, then fill them completely with onion & mushrooms. Bake the rolls 5 min in 338ºF.

Rolls fills with mushrooms:

- 9 oz of mushrooms
- 2 small onions
- 2-3 rolls
- butter
- olive oil
- salt & pepper