No, sweet potatoes are not a complete protein; their amino acid balance falls short of the complete-protein standard.

Yes, sweet peas deliver about 8–9 grams of protein per cooked cup, making them a solid plant protein for everyday meals.

No, sweet potatoes are not a good source of protein; a medium baked sweet potato offers about 4g protein, which is modest for a meal.

No, snow peas are a low-protein vegetable, averaging about 2.8 g protein per 100 g and 1.8 g in 1 cup whole.

String beans aren’t high in protein—one cup has around 2 g, so count string beans as a vegetable, not a protein source.

No, sugar snap peas aren’t high in protein; they give about 2–3 g per 100 g or cup, so treat them as a veggie with a little protein.

No, snap peas are not high in protein—about 2 grams per 1 cup raw, so treat them as a crisp vegetable, not a protein source.

Yes, walnuts are considered a protein food; one ounce of walnuts provides about 4.3 g of protein.

Yes, watermelon seeds are protein-dense: a 1-oz serving of dried kernels provides about 8 grams of protein along with key minerals.

Salads are high in protein only when you add protein foods such as chicken, tofu, beans, eggs, or Greek yogurt.