Check into Macrobiotics. It's a regimen that centers around grains being around 50% of your intake and pretty much everything is cooked.
Most healthy eating is based on fairly simple preparation and not overly spiced and certainly not with all the toxic chemical flavor enhancers in processed foods. Most healthy cooking will depend on the natural flavors so if you're coming from a processed food and heavily spiced background it might take a little time before you get to like the natural flavor of things. The good news is that once you have been eating healthy and cleansing for a while you'll wonder how in the hell you liked all the crap that you ate before.
After my first 40 day fast I could tell within the first bite if something was right for me. I naturally craved simple clean unprocessed foods.