Cheese is a high-protein food, with most varieties delivering 6 to 10 grams of protein per ounce. That puts it in the same league as eggs and nuts, though not quite as protein-dense as meat or fish per serving. The real answer depends on which cheese you choose, because protein content varies dramatically across types.
How Much Protein Different Cheeses Provide
Not all cheeses are created equal when it comes to protein. A single ounce (about 28 grams) of the most popular varieties breaks down like this:
- Parmesan: 10 g protein, 111 calories
- Swiss: 8 g protein, 111 calories
- Cheddar: 7 g protein, 115 calories
- Mozzarella (whole milk): 6 g protein, 85 calories
- Blue cheese: 6 g protein, 100 calories
- Goat cheese: 5 g protein, 75 calories
- Feta: 4 g protein, 75 calories
- Ricotta (whole milk): 2 g protein, 42 calories
Parmesan stands out as the protein champion. Its hard, aged texture concentrates the protein as moisture evaporates during the aging process. That’s the general pattern: harder, more aged cheeses pack more protein per ounce than soft, creamy ones like ricotta or brie.
The FDA sets the daily value for protein at 50 grams. A single ounce of Parmesan covers 20% of that target. Even a moderate serving of cheddar or Swiss gets you 14 to 16% of your daily needs from what most people consider a topping or snack.
Cottage Cheese Is in a Different League
If you’re specifically looking for the highest-protein cheese, cottage cheese wins by a wide margin. A half-cup serving of part-skim cottage cheese contains about 14 grams of protein. Scale that up to a full cup of 2% cottage cheese and you’re looking at roughly 31 grams of protein, which is more than 60% of the daily value in a single serving.
Cottage cheese also delivers that protein with far less saturated fat than hard cheeses. A half-cup of low-fat cottage cheese has just 1 gram of saturated fat, compared to 5 grams in a single ounce of Parmesan or Swiss. The tradeoff is sodium: cottage cheese tends to run high, with about 459 milligrams per half-cup serving. If you’re watching your salt intake, look for reduced-sodium versions.
Protein Quality, Not Just Quantity
Cheese doesn’t just deliver a lot of protein. It delivers high-quality protein. Dairy proteins contain all nine essential amino acids your body can’t make on its own, and your body absorbs and uses them very efficiently. On the standard scale scientists use to measure protein quality (called PDCAAS), dairy proteins score at or near the maximum of 100. That means almost nothing is wasted during digestion.
The protein in cheese is predominantly casein, a slow-digesting protein that breaks down gradually in your stomach. This is why cheese tends to feel satisfying and keeps hunger at bay longer than many other snack foods. It’s the same reason casein-based protein supplements are marketed as “slow release” products, though cheese itself does the job without the supplement price tag.
The Saturated Fat and Sodium Tradeoff
Cheese’s protein comes bundled with two nutrients worth paying attention to: saturated fat and sodium. Most hard cheeses contain 5 grams of saturated fat per ounce, which is about a quarter of the recommended daily limit. That means eating several ounces of cheese a day for protein adds up fast on the fat side.
Sodium varies wildly by type. Swiss cheese is remarkably low at just 53 milligrams per ounce. Parmesan hits 390 milligrams. Cottage cheese, despite its otherwise strong nutritional profile, tops out around 459 milligrams per half-cup. For context, the daily recommended sodium limit is 2,300 milligrams.
If you want cheese’s protein without the downsides, your best options are low-fat cottage cheese (high protein, minimal fat, though still salty), part-skim mozzarella (decent protein at only 85 calories per ounce), and Swiss (strong protein with very low sodium). Choosing reduced-fat versions of hard cheeses also shifts the ratio in your favor, bumping protein to about 7 grams per ounce while cutting calories and fat.
How Cheese Compares to Other Protein Sources
Cheese holds its own against many common protein foods, but it’s not the most efficient source. A 3-ounce serving of chicken breast delivers about 26 grams of protein for roughly 140 calories. To get that same 26 grams from cheddar, you’d need nearly 4 ounces and around 460 calories. Cheese works best as a protein contributor rather than your primary source.
Compared to plant-based alternatives, dairy cheese has a clear advantage. Regular cheese averages about 20.7% protein by weight, while most vegan cheese alternatives hover around 13.3% at best (tofu-based versions) or contain almost no protein at all. Many plant-based cheeses are built on starches and oils rather than protein-rich ingredients, so if you’ve switched to vegan cheese and are counting on it for protein, check the label carefully.
Best Ways to Use Cheese for Protein
The most practical approach is treating cheese as a protein booster rather than a protein centerpiece. Grating a couple tablespoons of Parmesan over a salad or pasta adds 5 to 7 grams of protein with intense flavor, so a little goes a long way. Stirring cottage cheese into smoothies or eating it with fruit gives you a protein hit comparable to a Greek yogurt. Slicing Swiss or cheddar onto whole-grain crackers turns a carb-heavy snack into something more balanced.
For people trying to hit higher protein targets (athletes, older adults maintaining muscle mass, or anyone on a calorie-controlled diet), cottage cheese is the standout. A cup at breakfast delivers 31 grams of protein for fewer calories than most cheese-based meals. Pair it with something savory or sweet depending on your preference. It’s one of the most underrated protein-dense foods in the dairy aisle.
Mozzarella is another smart pick when you want to keep calories reasonable. At 85 calories and 6 grams of protein per ounce, it has one of the better protein-to-calorie ratios among cheeses you’d actually eat by the slice. String cheese versions make it portable, which matters more than most nutrition advice acknowledges.