I sold my Blues Junior to get a Super Champ XD and record.

What would be the best method of recording the amplifier using the Line Out ?

4 Tracks recorder ?

Is it possible to record with the boss loop pedal ?
Fender American Standard Stratocaster/Seymour Duncan Hot Rails
Seagull Rustic
Fender Hot Rod Deluxe
MXR Distortion III
MJM London Fuzz
EHX Big Muff