Walkthrough of Matze's Great Scavenger Hunt

Step 5

So the last hint we've seen wasn't even a web page. And we didn't have to use the password we were provided with yet...
Whatever.
Time to check out the fridge and have a snack while we're at it. Doing all this bullshit makes me pretty hungry!

Now, now. What do we have here? A nice little QR-Code.

This was comparatively easy, too. Apart from putting away a bottle of wine, there wasn't much to it.
Now before we check out the link, let me make myself a sandwich.