I don’t read Zen Habits nearly often enough. There’s a list of 21 things you can do to simply your life. I particularly like #8 on his list:
Eat only 7 things. If you’re trying to be healthful, but are having a hard time navigating complicated diets, try this hack to simplify things. Limit yourself to non-packaged foods. Eat only seven things: fruits, veggies, whole grains, lean protein, lean calcium, beans, nuts, good fats. Nothing from a box. This will require that you cook your food, but it doesn’t have to be complicated. Read more.