The introduction of universal free school meals for primary school pupils is part of the Co-operation Agreement between the Welsh Government and Plaid Cymru.
Mae’r ymrwymiad i roi prydau ysgol am ddim i holl blant ysgolion cynradd yn rhan o'r Cytundeb Cydweithio rhwng Llywodraeth Cymru a Phlaid Cymru.