McDonald's teased the new sandwich and its packaging. (McDonald's) McDonald’s is McDone with outside providers of plant-based meat.As part of its Investors Day event Monday, McDonald’s revealed a number of new culinary and restaurant initiatives planned for the near future, designed to provide quicker, more user-friendly customer experiences and a wider range of menu options.Among those initiatives, the brand confirmed plans to begin testing its “McPLant” offering — made with its own proprietary plant-based meat — in 2021.“There are other plant-based burgers out there, but the McPlant delivers our iconic taste in a sink-your-teeth-in (and wipe-your-mouth) kind of sandwich.