Tuna mixed vegetable sandwich

Overview

It is a delicious, light and easy-to-make food for breakfast or outing.

Prepare materials.
Pour all ingredients except butter into a bowl and stir.
Knead the dough until smooth, add butter, and knead until a thin film can be pulled out that cannot be easily pierced with fingers.
Ferment until doubled in size.
Divide into three parts and roll into a round shape. Let rest.
Roll out into a roll
Place in toast box and ferment again.
Let rise until half the size and place in the oven. Temperature 180 degrees for 25 minutes.
Prepare salad ingredients.
Chop all the ingredients, add the signature sauce and a few drops of lemon juice and mix well.