Simple, Start out by eating some vegetable of the sub-group dark green, red, orange, legumes (beans and peas), starchy, and other.
Then start eating some fruit, Like oranges, strawberries, and bananas.
Next up Grains, Eat peanut butter sandwich, bread contains alot of grains, and peanut butter also constants peanut oil which is also healthy.
Try eating low fat- and fat free yogurt, milk, and cheese. Soy free stuff.