8 High-Protein Vegetables  You Should Include in Your Diet

Edamame (Soybeans) Approximately 18.5 grams of protein per cup (cooked).

Lentils Around 18 grams of protein per cup (cooked).

Green Peas About 8.6 grams of protein per cup. 

Spinach Roughly 5.4 grams of protein per cup (cooked).

Artichokes: Approximately 4.8 grams of protein per medium-sized artichoke (cooked).

Asparagus Around 4.3 grams of protein per cup (cooked).

Brussels Sprouts About 4 grams of protein per cup (cooked).

Broccoli Approximately 3.7 grams of protein per cup (cooked).