What would Jesus eat?

The London Times covers the $40m. 'Christian diet' industry, which aims to get people eating like they did back in biblical times. Dieters have a choice of

Creationist Diet: Nutrition and God-Given Foods According to the Bible Gary F. Zeolla (2000): Divides foods into ‘God-given’ and ‘non-God-given’
The Prayer Diet: Matthew Anderson (2002): Says God will determine your ideal weight
What Would Jesus Eat? Don Colbert (2002): Says we should copy Jesus’s simple diet and recommends eating fish, cooking with olive oil and walking every day The Lord's Table: A Biblical Approach to Weight Loss (Setting Captives Free): Mike Cleveland (2003) Says the proper motive for losing weight is the glory of God
The Maker’s Diet Jordan Rubin (2005): A 40-day eating plan that addresses spiritual, physical, mental and emotional health using the Bible

Of course, Jews follow a 'biblical diet' every day, namely Kashrut, but no one seems to be recommending that....