The restaurant, which will open its second location in Shoreditch later this month, will start giving free burgers (using Beyond Meat's latest 4.0 patty) to the first 100 customers from 12.30 pm.
'Incredible plant-based meat'
In a statement sent to Plant Based News, Halo Burger Founder, Ross Forder said: "We can't wait to bring our incredible menu to Shoreditch. Making plant-based meat alternatives widely available is our mission and opening a new site is just the beginning of our plan to expand across the nation.
"The appetite for plant-based food has surged, with more than 350,000 people signing up to do Veganuary by January 4, breaking all previous records."
'Comforting and familiar'
Forder added: "Halo Burger is here for when you're in need of something comforting and familiar, to satisfy vegans and meat-eaters new and old in January and beyond"
Halo Burger, which has a restaurant located in Brixton, will open its new store on January 22 at 105 Great Eastern St, EC2A 3JD