Peanut Butter Shake

I always get really excited about the possibilities of this recipe (I've tried different versions of it over the years) and, unfortunately, I'm always disappointed (sorry, Epicure). What I want is a creamy chocolate shake consistency with that banana base and the hint of peanut butter behind it all; what I get is banana milk with a strong peanut butter aftertaste and a faint chocolate smell. I still think it's got possibilities though so I'll keep you posted on the progress.

1 banana
2 c low-fat milk
1 c low-fat plain or vanilla yoghurt
2/3 c orange juice
2/3 c natural peanut butter
1 Tbsp VE Cocoa

lend it all until "smooth and frothy". Pour into glasses and serve immediately. This recipe is supposed to be for 6 servings but I think that splitting one banana between 6 people is ridiculous so I just called it 2 servings and took my lumps.