Huge Chocolate KitKat© Bar

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Introduction: Huge Chocolate KitKat© Bar

About: Inventor, entrepreneur and student. I'm currently 19 years old and from the netherlands.

Hello! Welcome to my second instructable. The goal of this instructable is to create a HUGE KitKat© bar that is 100% edible. So without any further ado, enjoy!

Firstly the ingredients must be collected. In this list I will also list the materials that you will be needing.

- Milk chocolate bars*
- Penny waffles* (eThese might have a different name in other regions, I added a picture in the next step)
- (preferably flexible) Bread pan to make the bar in
- 2 cooking pans, one has to fit in the other (so the small one rests with its handles on the large on)
- Water
- Printer
- Sticker paper (to make the logo)

*The amount of chocolate and penny waffles will be discussed in the next step

Step 1: Calculating the Amount of Chocolate and Penny Waffles

To be able to find the amount of chocolate you need you firstly need to decide how much of the KitKat© bar you want to be penny waffles. Why you ask? Well if you know the volume of your bread pan and the volume of your penny waffles you can calculate the amount of chocolate you need.

As a basic rule, the less waffles you use, the more chocolate you use, thus making the bar harder to cut. But if you don't use enough chocolate your bar might not look very nice with waffle parts sticking out. For my bar I aimed at using about 1 cm chocolate on every side.

How to measure volume: for the penny waffles it's easy, you just do length x width x height in cm of the amount of waffles you want to use. Your pan might be bit more difficult because it's sides might not be vertical. However we can use another strategy. Fill the bread pan with water (not to the top, leave some space for overflowing) and then pour the water into a container that does have vertical sides. Now use the first strategy again ans measure length x width x height.

Subtracting the volume of the waffles from the container will leave the amount of chocolate you need in volume. To translate this to grams we simply multiply it by it's density per gram. which is 1,325 grams per cm3

For example, you container has a volume of 2000 cm3 and the waffles have a volume of 1152 cm3. 2000-1152 = 848.

848 x 1,325 = 1123.6 grams of chocolate

Step 2: Making the Logo/prepair the Chocolate

Now that you have all the ingredients you still have to make the logo. I printed the KitKat© logo out and traced it with a box knife on plastic foil with a sticky side to it. Once the logo has been cut out you have to stick it on the bottom of the bread pan.

Finally now everything is prepared we can start melting chocolate. Fill the large pan with some water, but not to much as the smaller pan that is suspended cannot be touching the water. You can now heat up the large pan with water. Whilst the large pan is heating up you can place all the chocolate in the smaller pan. Be very careful to not mix any water with the chocolate as that will ruin it. Now place the small pan in the large pan and wait for the chocolate to melt.

Step 3: Making the Bar

Once all the chocolate has been molten (no more chunks!) you can pour the first layer in the bread pan covering the bottom of the pan. Once the first layer is poured, you can place the waffles on top of the first layer. Be careful not to press to hard on the waffles or they might touch the bottom, also you do not want them hitting the sides. Depending on the size of your pan you might have to puzzle a bit or cut a few waffles to find the best arrangement.

Once the waffles have been placed in the bread pan you can cover them with the remaining chocolate. Scrape all the chocolate from the pan so you get the most out of your oversized KitKat© bar! Once all the chocolate has been poured into the bread pan it is best to place your creation in the refrigerator or even the freezer. Be careful to keep the pan straight and do not shake, or the waffles will float to the top.

And now, we play the waiting game. Leave the bar alone for a few hours, take this time to clean up the (in my case) huge mess left in the kitchen.

Step 4: The Result

Voila! Your huge KitKat© bar is done! Turn over the pan on a plate or cutting board and if you are lucky the bar will pop out with a slight wiggle. If that fails you can always heat up the pan a bit in the oven. But in my case the bar came right out. Do not forget to remove your plastic KitKat logo! You can use a knife to cut the bar.

As a final thought, next time I would make the logo out of a thicker material, maybe 3D printed or laser cut. The logo I made is visible but only barely.

Enjoy! If you liked this instructable I would appreciate your vote!

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    33 Discussions

    Great instructable except for one thing: NO! for ANY water by chocolate. From the Callebaut Chocolate Academy (or ANY chocolatier's repertoire) - better to use the microwave in 30 second increments and stirring in btween than to use a double boiler (what you used)!!! Water makes chocolate "seize" and ruins it basically.

    As for the KitKat logo - perhaps a laser engraved or 3D printed logo might be good.

    5 replies

    Jeannie, just an FYI but what do you think was used before the advent of microwave ovens :) Double Boilers :) For most people that cook and bake we do know that chocolate and water do not mix or we learned the hard way :) I am not trying to be sarcastic with my comments but there are people that still use this method because they do not want or have a microwave in their kitchen.

    LeslieGeee - don't use a double boiler - period. Use low heat. BUT, for the hobbyist - a double boiler can do. It's good to use old fashioned methods - even if chocolatiers frown on this, but, hey, you're right, it works for those who aren't in the business. Not all have the slow heating chocolate making machines, which use hot air, btw. Now, THAT is a good method! Works so quickly and not chance of seizing.

    um, FYI a microwave can take a lot longer than expected... i do see your poit though.

    thanks for your input. As I stated in the instructable it is crucial to not have the water mix with the chocolate (so I agree). However the double boiler worked fine for me, it did not ruin the chocolate

    Great KitKat akolk1.

    As you say double boilers have been in use ever since people started melting chocolate (and long before for other jobs such as custards and sauces) But to reduce that chance of moisture reaching and tarnishing your chocolate you could put a heatproof bowl over the pan of water that makes a close fit to the pan top (as if you were fitting a lid). So less steam is zipping around your choccy pan. I find it useful to use a heatproof glass bowl so I can check the water level and make sure it isn't boiling too hard of evaporating away without having to lift it up and look underneath.

    Looking forward to your next adventure into giant confectionery.

    Instructable looks good!
    (Am having problems getting the download .pdf button to work.)

    2 replies

    Thank you! What seems to be the problem? I don't have any problems with pdf format

    The button was not starting the process of downloading.
    That's all. May have been a temporary server issue.
    I'll try it again and maybe the button will start the download of the .pdf file this time.
    Have a great day!

    looks very impressive.nice work

    do the penny wafers have chocolate between them? I can't wait to try this!!!

    1 reply

    I am not a fan of chocolate, but this looks like fun. I might try a mini version of it some day :)

    I really want to try this. It wold be really fun and yummy. Thanks akolk 1!!

    Akolk you must REALLY love Kit Kats lol this must have been a blast to make :) I was thinking the use of a Bundt cake pan or any mold type pan would be fun to use too :) Great job on this lol.

    2 replies

    That would make for an interesting bar! Be careful that the waffles don't touch the sides of the cake pan!

    I can see the gears in his mind turning :) If I make this I will be careful thank you :)

    Nice! Do you think you'll ever make this again? What about other varieties of candy bars?

    Re: the logo, have you considered a couple of layers of silpat or silicone sheeting stacked on top of each other with one being the background and the other being the letters? That way you could cut the different parts and it would be more 3D. Or, you could technically use a 3D cut piece of greased up food safe wood.

    Looking forward to seeing more of your delicious and dangerous creations! Thanks for posting!

    1 reply

    Hey. I'm assuming you are writing this from the united states, as most people are american on this website, so forgive me if I am wrong. I live in the netherlands and have been to america tons of times. Comparing the diversity in chocolate supply it's a clear win for the united states, we do not have as many brands/types of chocolate here as in the US.

    The reason I chose kitkat is because the filling can be reproduced easily and (mostly because of the logo) everybody sees that its a kitkat bar. There aren't many brands out there (on this side of the water) that have the logo on the bar and also have a filling that is easily reproduce able.

    However your comment intrigues me. I will look into other types of chocolate and maybe even types of candy. I have not considered using silicone, I have however considered using a 3D printer. Also I do not have acces to a CNC miller (yet)

    Thanks for your input!

    Lots of fun, but this has been done before, along with tons of others. Check it out:

    http://www.pimpthatsnack.com/