A boiled cup of asparagus has about 4.3 grams of protein.

Mushroom not only just tastes delicious, but it is rich in protein too.

Each cup of boiled peas contains about 8.58 grams of protein.

Green leafy spinach leaves are a good source of protein too.

Everyone loves to eat corn and it is rich in protein as well.

You can add sweet potato to your diet for a good amount of protein.

Zucchini might have about only 2 grams of protein, but it is healthy too. 

A cup of protein contains about 1.2 grams of protein.