The original group-bonding event. The asado replaces the restaurant that was booked out anyway: you stay where you are and drink at your own pace.
Twenty people in a Barcelona restaurant on a Saturday means a set menu, a fixed slot and shouting across the table. At the house nobody is watching the clock and nobody is trying to turn the table.
It also solves the part that usually goes wrong: everyone in one place, all afternoon, without a plan that needs following.
Food keeps coming in waves from the first hour, which is the actual trick to a long afternoon going well. Beer, soft drinks, water and ice are part of the closed price.
We can finish late if you want. Tell us when you booked whatever comes after and we work backwards from that.