Foodie App UX &UI

Selected restaurant has chain of other restaurant in the
same area which is all managed by same group
User(foodie) can initiate the group cart for a particular
restaurant or group restaurants for an event/party where user friends can
add their own foods to the group cart.

Group cart owner can add food for himself and for his friends and he can edit the cart.
Group cart Invitee can add food from the selected restaurants which the owner has selected.