Dried Flax

Any suggestions for homemade dog food with all the basic nutrients it needs?
I want to start my dog, Story, homemade dog food because he has a sensitive stomach. Lab / bull dog mix. He has responded well so far. White rice, chicken, carrots, cottage cheese, eggs, and crushed eggshells. 40% meat and carbohydrate 30% and 30% vegetables. Dirt is no longer his runny. I just want a simple cut and dry recipie that I can switch from a few items for various bi-weekly. I want to make sure he gets proper nutrition and even if I have to give her suppliments; advice. There are so many recipies that varies with material such as seeds flax and corn flour and oatmeal and other items. List of different basic vegetables, meat, and grains would be great. Nothing fancy. Thanks in advance. Serious responses only please.