Protein Payout: 1 cup, 139 calories, 6 g protein
Tomatoes are packed with the antioxidant lycopene, which studies show can decrease your risk of bladder, lung, prostate, skin, and stomach cancers, as well as reduce the risk of coronary artery disease. Just one cup of the sun-dried version will lend you 6 grams of satiating protein, 7 grams of fiber and ¾ of your RDA of potassium, which is essential for heart health and tissue repair. They’re also rich in vitamins A and K. Use them as a pizza topping, a tangy addition to salads, or snack on them right out of the bag.
Protein Payout: 1 cup, 112 calories, 4.2 g protein
The highest-protein fruit, guava packs more than 4 grams per cup, along with 9 grams of fiber and only 112 calories. With 600 percent of your DV of Vitamin C per cup — the equivalent of more than seven medium oranges! — the tropical fruit should merengue its way into your shopping cart ASAP. And while you’re at the store, be sure to pick up some of these other surprising high-protein foods.