Highly recommended!

I know I should be having some protein and carbs after a weights workout, but what about after cardio? I've heard that you should wait 2 hours before eating.

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Michael Collins:  Post- cardio nutrition is just as important as post- weights nutrition. 

If you're performing cardio as you should be- high intensity, your muscles will be broken down just like a weight training workout, and will be primed to soak up nutrients like a sponge afterward.

After a cardio workout, you want to replenish the nutrients that will help repair and speed recovery for the next workout. This includes protein and carbs.

Waiting 2 hours after performing cardio will only hinder recuperation- and will throw your hormonal system out of whack.

Don't worry, having your protein and carbs after the workout will NOT slow down your metabolism that got kick started by the workout, nor will it hinder fat loss. Quite the opposite actually.

Oh, and as Eugene mapped out for you, you should not be eating solid foods during the post workout meals.  Liquid forms of protein and carbs are optimal for recovery

Hey, think about getting Black Book of Secrets, the fat loss book that Eugene and myself put together for fast fat loss.  It gives you more insight into the post workout meals for fat loss.