Sandwich

Cut avocado from the middle and remove the seed
Now scoop out the fruit with a spoon and mash it with a fork.

Chop onion and tomato and mix it with mashed avocado nicely
Add salt and pepper to it
Mix it and add lemon juice too.

Now guacamole for the sandwich stuffing is ready.

Toast the breads, apply butter and put stuffing

Cover with another toast and enjoy the sandwich