Immune system cookie cutter colection WIP

An immune system cookie cutter collection i'm making for a lab party. This is a work in progress and havent tested it yet. I'll be adding files and pictures of cookies later

Butter cookie recepy:

Beat:

1/2 cup of Butter
1/2 cup of sugar
Add and beat:

1 egg
1 spoonful of milk
1/2 teaspoonful of vanilla extract
Add:

2 cups and 2 spoonful of flour
1 teaspoonful of baking powder
1/4 teaspoonful of salt
Stretch on floured board up to 0.5 cm thick, then cut with the cookie cutters.
For better details, keep the streched dough in the fridge for an hour and cut it cold.

Bake at 190°C (375°F) for 10 minutes.