Yes, peasants and country people may indeed have eaten diets limited to fatty meats and very limited supplies of fresh ingredients. However, they also worked the land and did not sit and stare at screens continuously either. The somewhat sedentary modern lifestyle needs a very different diet from what our ancestors ate.
One simple tip is to make sure that your plates of food have a variety of colours on them, which will be both attractive on the eye but also provide a nutritious and balanced diet. The colours will come from the addition of fruit and a variety of veggies!
Here you can find fifteen simple to make and healthy dinner recipes that can be made easily, even with the pressures of a modern lifestyle.