KLF wasn't too far off with the spinach and sweet potato thing. I found this:
Protein Rich Vegetables | Expert Clinic
Originally Posted by Purplecurls17
With respect I am qualified to degree level in nutrition and physical activity, so am confident of what foods are classed as protein rich and what are not. If you read your own link you will see there is <1g protein in a cup of spinach and ~2.5g in a cup of sweet potato, they are hardly a good source of protein you would have to eat kilograms each day to make it worthwhile AND they are not complete so you'd need to combine with another vegetarian source (beans, lentils, nuts, seeds).

It's actually far more useful to look at protein as a percentage by weight, cups are a highly misleading and unscientific way of comparing foods. Protein rich foods include meat, fish and seafood, many cheeses, eggs, nuts, seeds, Quorn; to a lesser extent beans, lentils, soya, milk and yoghurt.
2a-2c, medium texture, porous/ colour treated. Three years CG. Past bra strap length heading for waist.

CO-wash: Inecto coconut/ Elvive Volume Collagen
Treatments: Komaza Care Matani, coconut/ sweet almond/ fractionated coconut oils, Hairveda Sitrinillah
Leave in: Fructis Sleek & Shine (old), Gliss Ultimate Volume, various Elvive
Styler: Umberto Giannini jelly, Au Naturale styling gelee
Flour sack towel, pixie diffuse or air dry.
Experimenting with: benign neglect