Change the following recipe into passive voice: i)take a pan with 1 tbsp. oil.
2)fry onion till it turns golden brown.
3)take a slice of bread & put a layer of fried onion on it.
4)later put the layer of cheese,tomato,salt & pepper powder.
5)put another slice of bread on it.
6)place the layer in the sandwich maker & close it.
7)when ready, serve the sandwich with tomato sauce.