用英语写制作三明治的过程材料如下：slices of bread 1个teaspoon of butter 1个onio

First, wash your hands.
Put a piece of bread on a plate.
Put a little butter on the bread.
Put some slices of chicken/ham/egg/on the bread.
Put some lettuce/jam on the bread.
Then put another piece of bread on top.
Cut the sandwich in two pieces and eat!