How many calories are in prawn pasta?
Prawn pasta with tomato sauce and a finishing drizzle of olive oil comes to about 595 kcal. The prawns are 100 of that, the pasta 285, and the oil poured over at the end 120. The protein is the cheapest thing on the plate, which is unusual and useful.

The plate, as served
About 180 g of cooked pasta, 100 g of prawns, a ladle of tomato sauce and a tablespoon of olive oil.
Where the calories come from
| Nutrient | Grams | Calories | Share |
|---|---|---|---|
| Protein | 33g | 132 | 22% |
| Carbs | 69g | 276 | 46% |
| Fat | 21g | 189 | 32% |
| Fibre | 6g | counted within carbs | |
The ring is sized by calories, not grams: protein and carbs are 4 kcal a gram, fat is 9. Drawn by grams, fat would look like a sliver of what it actually contributes.
What is on the plate
| Pasta, cookedA generous portion, about 180 g cooked | 285 kcal |
| Olive oil, drizzledOne tablespoon, about 14 g | 120 kcal |
| Prawns, cookedAbout 100 g | 100 kcal |
| Tomato pasta sauceA ladle, about 150 g | 90 kcal |
The same dish, several ways
This is where the calories actually move. Not the ingredient, the cooking.
- With grated cheese715+120
Not traditional with seafood, and people do it anyway.
- Double the prawns695+100
A hundred kcal for 21 g more protein. The best trade available here.
- About 180 g of cooked pasta, 100 g of prawns, a ladle of tomato sauce and a tablespoon of olive oil.As served595
- Without the finishing oil475-120
A tablespoon at the table, 120 kcal, and the sauce already has oil in it.
Where each number comes from
Composition tables list ingredients, not dinners. There is no row anywhere for this plate, so it is built from its parts, and the preparation assumed for each part is written next to it, because that assumption is usually worth more calories than the ingredient.
| Component | Portion and preparation | kcal |
|---|---|---|
| Pasta, cooked | A generous portion, about 180 g cookedDried wheat pasta boiled in water. About 75 g dry. | 285 |
| Olive oil, drizzled | One tablespoon, about 14 gFinishing drizzle, on top of whatever was cooked in it. | 120 |
| Prawns, cooked | About 100 gBoiled or steamed, no batter. | 100 |
| Tomato pasta sauce | A ladle, about 150 gJarred or home-made tomato and onion sauce with a little oil. | 90 |
| Total | 595 | |
Sources: USDA FoodData Central. Every figure is an estimate with a range around it, and is rounded to the nearest 5 kcal rather than pretending to a precision that does not exist.
Why you will see 400 to 900 kcal quoted for this
Pasta portion and how much oil went in. Prawns barely move the number, so the spread is about everything except the thing the dish is named after.
Which is why this page shows the sum instead of asserting a total. Build the plate you actually eat and the number is yours rather than an average of strangers.
Build your own plateCommon questions
- How many calories are in prawn pasta?
- About 595 kcal with 180 g of cooked pasta, 100 g of prawns, tomato sauce and a drizzle of olive oil. Without the drizzle it is 475.
- How many calories are in prawns?
- About 100 kcal for 100 g cooked, with 21 g of protein. They are one of the leanest proteins you can put on a plate.
- Is prawn pasta healthy?
- The prawns are excellent and the tomato sauce is fine. The pasta portion and the oil are what decide the meal, as with every pasta dish.
- How do I add protein to a pasta dish without adding calories?
- Double the prawns. A hundred grams is 100 kcal for 21 g of protein, which is the best ratio of anything on this site.
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