Step 1.
- Pour the peach schnapps into a shot glass until it is about halfway full.
Step 2.
- Slowly add the blue curaçao by pouring it over the back of a spoon to create a layering effect.
Step 3.
- Carefully add the Irish cream liqueur on top, allowing it to float above the blue layer.
Step 4.
- Finally, drizzle grenadine into the center to create a 'brain' look, letting it sink slightly for the desired effect.