The four participating restaurants are Cardiff and three in Birmingham.
Every first Monday of the month in partnership with local NGO Inades.
The Neopolitan pizza brand says it will not be deterred by the risk of losing customers.
The founder behind this food bank is multi-award winning social channel Bearded Broz.
All proceeds go to local charity group Just Smiles Original.
All profits not just later today, but also throughout the weekend.
Oodles Chinese, Smoke & Pepper, and Smash are already taking part.