Chop the fresh herb you use. Can use cilantro, basil, mint, parsley.
Finely chop the jalapeño.
Cut the avocado into half. Remove the seed.
Scoop out the avocado into a small mixing bowl.
Mash the avocado lightly with a fork.
Add the chopped herb, jalapeño, lemon juice, salt and pepper powder.
Mix well. Keep on the side till required.
Slice the tomato.
Wash and pat dry the salad leaves.
Lightly toast the bread slices if you want to. I toasted them a bit.
You can choose to make closed or open sandwich.
Spread the avocado mixture over the four slices.
Layer it with salad leaves on 2 slices if you are making closed sandwich.
Top it with tomato slices.
Add some feta cheese.
If you are making closed sandwich then add the remaining slices of bread.
Serve immediately.