j'ai (beaucoup) aimé le repas, j'ai apprécié le repas.
"Give my compliments to the chef."
a hot meal is called "un repas chaud" in French
repas
Repas (masc.)
plat préféré
j'ai aimé notre cours
You say : As-tu apprécié ton séjour ?
Bon apetit
In French, the phrase "large portion" is called "grande partie" and "large meal" is "repas copieux".
"Enjoy your meal" is "appréciez votre repas" in French. A standard formula is "bon appétit".
We say "Bon appétit"
You could borrow the French and say "bon apetit", or say "Enjoy your meal." It literally means "good benefit".