I would think that a good starting point for any food knowledge is http://wholehealthsource.blogspot.com/
Basically Wheat, Sugar, and Refined Oils are bad. Starches are not bad, but may be if you have insulin resistance aka glucose intolerance. If you have a belly you have insulin resistance.
You also want to either avoid other grains or sprout and ferment them.
Beans/legumes are OK, but are better when fermented.
Saturated Fat is good because it is the choice fuel for our body, but not the brain. Liver converts Saturated fats to brain fuel (ketonic bodies).
Other fats must be saturated before they can be used. Mono-saturates are fine, but polys should be less than 4% of your energy intake, with an equal omega6:omega3 ratio.
Supplement Vitamin D3/K2/magnesium/iodine.