Del Currie had a "naughty secret" when he gave up plastic.
When he found out that he was cheating, his daughter was not happy.
She suggested that if he was serious about making a difference then he should start his own company that sells crisps without plastic packets.
Mr Currie used to work in app development. I decided to jump into it because it wasn't much of a choice to create packet-free crisps.
In March this year he launched Spudos, which now supplies crisps to more than 65 shops in the UK and Republic of Ireland. Stores that aim to eliminate packaging and encourage customers to fill their own containers from dispensers are called these.
The crisps are flavoured with one of the company's "Spud Dust" flavours. The plastic cylinders are meant to be sent back to the East London base for refilling.
For internet orders from customers both across the UK and overseas, Spudos packages its crisps and flavourings in packets made from a natural material. It takes about 45 days for these to break down.
A tub which is made of plastic can be ordered by people.
While most of us don't give crisps, potato chips are a huge industry.
Most crisps are sold in single-use plastic packets. These can take a long time to break down.
Some of the biggest names in the crisps sector will need more time to switch to more eco-friendly packaging.
Walkers makes 14 million packs of crisps every day in the UK. The fact that its packets are not recycled made the headlines when environmentalists began to post them back to the company.
Smaller crisps firms are leading the way in packaging that is more eco-friendly. It was launched by the Laheys.
The crisp packets are certified plastic-free. They are on sale in both Canada and the US and have the same shelf life as plastic bags.
Ms Lahey said that they started a potato chip company for their son. We hoped for a future that wasn't just our own.
"Our goal is to inform people that we don't have to rely solely on plastic for food packaging, and we can all help to kick micro- plastics from our food system, human bodies, oceans and soil."
Two Farmers was launched in the UK by Sean Mason and Mark Green. They were fed up with finding empty plastic packets on their farms, so they decided to look for alternative packaging.
They spent four years trying to find the right packets that would allow them to bring the crisps. "After visiting a packaging show, we came across sustainable film and combined it with plant-based ink and glue," says Mr Mason.
It took two and a half years for the firm to make crisp packets.
The finished packaging cost more than expected. If people want to spend a bit more on something that is more eco-friendly, we are trying to give them that option. Costs will come down as we grow.
Mr Mason says that the Farmers crisps are in talks to launch in several European countries in early 2023.
Plastic crisp packets are not usually recycled. Shelie Miller is a professor in sustainable systems at the University of Michigan.
Recycling systems need to separate individual materials for recycling because of the mixture of metal and plastic. Not only are the packages a mixture of materials, but the separation of two different materials on such a thin package is incredibly difficult from a technical perspective.
Prof Miller cautions that there are some issues with the packaging, such as people wrongly putting it out with their recycling, where it could become a problem. It's possible that affected items can't be recycled anymore.
The European Snacks Association defends the use of single-use plastic. He says that flexible plastic has a specific purpose.
"They are lightweight, therefore reducing waste energy for transport and production, they are hygienic, they meet the current food contact materials legislation, and, depending on the needs of the product and the choice of materials, they can provide excellent humidity, oxygen, aroma and UV light barrier properties."
Walkers will soon be trialling new packaging made from recycled plastic in the UK. The brand had a recycling scheme that ended in April.
Prof Miller is hoping that consumer pressure will lead to more manufacturers moving away from plastic.
Del Currie is more direct. He thinks big brands should try harder.
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