Also, per serving: lentils (?g), peas (5g), peanut butter (8g), flax meal (3g), hemp hearts (10g); and more I’m sure I’m missing.
That said, I could easily eat 3 cups of beans per day.
As to “complete proteins” mixing quinoa and oats, which each have some of the necessary amino acids, makes their combination a source for complete proteins.
One quick and easy trick is to eat “colorful food”.
Eating a meal that has lots of different colors increases your odds of getting a broader variety of nutritional content.