We’re already there. The US alone makes more than enough food to feed billions of people year round. That humans aren’t ensuring basic needs for all humans is a choice-the resources exist but people aren’t able to access them. (This isn’t saying everyone who wants to eat steak is going to be able to eat steak. It’s assuming basic caloric needs.)

Then there’s the inefficient allocations of resources that could boost production. The building water infrastructure where needed, etc. It’s all doable but not done.