Sure, but you may still be hungry. If so, just have more of each.
This video from the Vegetarian Society of Hawaii (Dr. McD is a member) may help you feel better about eating simple:
Confessions of a Low Class Vegan:
https://www.youtube.com/watch?v=CV6dpDwYKvoby Professor Karl Seff, PhD. He talks of all the very simple meals he makes, some only 1 ingredient.
And Dr. McD has frequently said you can live quite nicely on just sweet potatoes and broccoli for the rest of your life.