Translation of "Relleno" in English

Me preguntaban si estaba usando relleno,

So they would come and ask if I was using extra padding,

E iban directamente por el relleno?

and went right for the filling?

El keppe viene relleno con queso.

The kibbeh comes stuffed with cheese.

Añade la zanahoria rallada al relleno.

Add the shredded carrot to the stuffing.

Destrozaban la galletita para comerse el relleno.

ripping the cookie apart and going for the filling.

De la galletita solo come el relleno.

In cookies, he only eats the filling.

Así que siempre agregue algo de relleno.

So always add some padding.