"The boy cooks the food."
Translation:Il ragazzo cucina il cibo.
"il" is a definite article and it goes before a noun not a verb.
- la cucina = the kitchen
- "cucina". 3rd person singular of verb cucinare
- "cuoce" 3rd person singular of verb cuocere.
"Cuocere" is cooking with heat, "cucinare" is the broader set of operations from preparation to presentation, including of course "cuocere". When heat isn't involved, generally neither is used and it's just "preparare". (by f.formica)