I try to eat 80% to 90% minimally processed foods, and the rest is “fun” food. This is what makes me feel good and keeps me from putting on weight. If I consume too much processed stuff I feel like garbage - I’ll feel tired, get headaches, and feel achey (shit just hits you harder when you’re older).
Minimally processed is stuff like oatmeal, fruit, veggies, lean meats, beans, and rice. I try to eat some fermented stuff every day if I can, usually in the form of fermented dill pickles or kimchi. I try to vary my foods as much as I can, since variety is good for your gut microbiome.