Proven Slice Winchester

Proven Slice Winchester We blend the local and the seasonal with the best of imported Italian produce. Book us for your event

Planning an event in 2026? We’re now taking bookings.Serving up wood-fired sourdough pizza from our little milkfloat sin...
15/12/2025

Planning an event in 2026? We’re now taking bookings.

Serving up wood-fired sourdough pizza from our little milkfloat since 2018 - we’re available for weddings, private parties and corporate events. (Wi******er/Hampshire and beyond)

To check availability, message us:
1. Date (or month if you’re not sure yet)
2. Venue / town
3. Rough guest count

We’ll reply with availability + a clear price.
To reserve a date we take a deposit — final numbers can follow later.

DM “2026” to start, or email [email protected]

Lovely sold out event last night. Our last one until September as we’re busy over summer with booked in events. We stil...
21/06/2024

Lovely sold out event last night. Our last one until September as we’re busy over summer with booked in events. We still have a few key dates available if you’re looking for woodfired catering for your event! *joke signs optional!

A very cute birthday party for Ella this weekend who was 7! The girls all had a lot of fun designing their boxes while w...
18/03/2024

A very cute birthday party for Ella this weekend who was 7! The girls all had a lot of fun designing their boxes while waiting and coming out to the float to see how the pizza is made in the woodfired oven, a lovely event. Still some availability for booking this year, but we’re filling up on the key summer dates fast!

Thanks to Sibstar for having us to cater their Dragons Den funding win! Congratulations, what a lovely evening it was! I...
01/03/2024

Thanks to Sibstar for having us to cater their Dragons Den funding win! Congratulations, what a lovely evening it was! If anyone has a relative with dementia, you should check out their app, it’s a brilliant idea.

Another lovely lunchtime event today for V & H! Some big news coming soon… still taking bookings for more Christmas Part...
25/11/2023

Another lovely lunchtime event today for V & H! Some big news coming soon… still taking bookings for more Christmas Parties & 2024! Also we’ve upgraded the float, which we’ll be showing off soon! 🔧

🍦You can now book us for ice cream, gelato & sweet treats only for your event - you can also request the van to visit to...
22/07/2023

🍦You can now book us for ice cream, gelato & sweet treats only for your event - you can also request the van to visit to your road DM or email for details!

Join us at The Pumphouse this evening until 8pm, if you’re strolling around why not pop out and see us before heading in...
02/07/2022

Join us at The Pumphouse this evening until 8pm, if you’re strolling around why not pop out and see us before heading into town? You can order in advance for collection at our website!

Back at The Railway until 9pm tonight. This controversial 10 hour roasted ham hock and wood-charred pineapple is still o...
30/06/2022

Back at The Railway until 9pm tonight. This controversial 10 hour roasted ham hock and wood-charred pineapple is still on the menu and now one of our best sellers! Looking forward to all your orders this evening, go to provenslice.com to view the menu

Ignore that last post! We have found cover and will be running collection/sit-in only from 6pm to 9pm tonight at The Rai...
04/06/2022

Ignore that last post! We have found cover and will be running collection/sit-in only from 6pm to 9pm tonight at The Railway Inn only, we will not be at the Pump House. So we won’t have to waste all our stock that we had prepped for events this weekend. Hopefully see some of you here this evening!

Our new sign arrived today! ➡️Back at The Railway from 6-9pm for sit-in/takeaway/delivery. It’s been a busy couple of ev...
22/05/2022

Our new sign arrived today! ➡️
Back at The Railway from 6-9pm for sit-in/takeaway/delivery. It’s been a busy couple of event days, so it will be nice to slow it down tonight. You can order/pre-order at provenslice.com or at the link in our bio. Set yourself a reminder by tapping it on this post. Looking forward to seeing you all later.

Many thanks to the Littleton Lightning team for having us cater their event last night! Back at The Railway tonight 6-9 ...
15/05/2022

Many thanks to the Littleton Lightning team for having us cater their event last night! Back at The Railway tonight 6-9 for delivery/collection/sit-in! www.provenslice.com to order. Looking forward to seeing you later.

Serving up until 9pm tonight - delivery/collection/sit-in! No service at the Pump House tomorrow night unfortunately as ...
13/05/2022

Serving up until 9pm tonight - delivery/collection/sit-in! No service at the Pump House tomorrow night unfortunately as we’re booked with the milkfloat for a private party! But we will be back next Saturday with new some special new things on the menu!

Address

Winchester

Opening Hours

Thursday 6pm - 9pm
Friday 6pm - 9pm
Saturday 6pm - 9pm
Sunday 6pm - 9pm

Telephone

+441962453554

Website

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