Rice bottles

FarmWife 🌾 • 2015 👧🏼 2017 👼🏼👼🏼 2018 👧🏼 🌈 2020 👶🏼
Has anyone done rice bottles? breast milk & rice cereal..some say it's the "lazy way out". Don't see how! But I've been told to do it so they potentially sleep longer for my 3 1/2 month old. Anyone done before?