A lower-calorie way to make Prawn Pasta
Prawn Pasta: garlic-lemon prawns in a glossy tomato pasta sauce
Prawns, cherry tomatoes, courgette, garlic, chilli, and lemon coat wholemeal pasta in a glossy sauce made from reduced juices and pasta water. This measured Irish recipe serves 8 at about 465 kcal per portion.
Prawn Pasta should still taste and look like the familiar dish, even when its richest ingredient is reduced. This version uses sear prawns briefly, use tomato and pasta water instead of cream, and limit olive oil to 20 g for eight portions. Prawn sweetness, browned garlic, chilli, lemon zest, parsley, concentrated tomato, and starchy pasta water create a vivid coastal sauce.
What changes—and what stays
From cream or oil-heavy prawn pasta often reaches 650–850 kcal to 465 calories
sear prawns briefly, use tomato and pasta water instead of cream, and limit olive oil to 20 g for eight portions. Prawn sweetness, browned garlic, chilli, lemon zest, parsley, concentrated tomato, and starchy pasta water create a vivid coastal sauce.
| Part | Conventional | Lighter | Why |
|---|---|---|---|
| Core method | More added fat or a heavier proportion | sear prawns briefly, use tomato and pasta water instead of cream, and limit olive oil to 20 g for eight portions | Prawn sweetness, browned garlic, chilli, lemon zest, parsley, concentrated tomato, and starchy pasta water create a vivid coastal sauce. |
How the flavor stays
Prawn sweetness, browned garlic, chilli, lemon zest, parsley, concentrated tomato, and starchy pasta water create a vivid coastal sauce.
A cost rule that survives inflation
Frozen prawns, courgettes, and tinned or seasonal tomatoes stretch across eight pasta bowls without cream or a costly bottled sauce.
Ingredients for 8
Measure first; timing is part of how this recipe uses less fat.
- 700 gwholemeal spaghetti
- 1 kgraw peeled prawns
- 900 gcherry tomatoes
- 700 gcourgettes
- 20 golive oil
- 40 ggarlic
- 2lemons
- 35 gparsley, chilli flakes, and black pepper
Method
Each step includes heat, a visible cue, and a recovery.
Step 1 · follow the visible cue
Prepare the measured components
Thaw and dry prawns, halve tomatoes, ribbon courgettes, and reserve starchy water before draining pasta.
Look for: Prawns are firm and matte while vegetables show no surface water.
Step 2 · follow the visible cue
Build the defining flavour
Sear prawns in two batches with half the oil, removing them as soon as they curl and turn opaque.
Look for: Prawns form loose C shapes with pink edges and light golden spots, not tight rings.
Step 3 · follow the visible cue
Cook with controlled heat
Brown garlic lightly, blister tomatoes, and cook courgette just until flexible before adding pasta water.
Look for: Tomato juices reduce to a glossy red film and courgette remains bright green.
Step 4 · follow the visible cue
Finish and check the texture
Toss pasta hard in the sauce, return prawns briefly, and finish with lemon zest, juice, and parsley.
Look for: Sauce clings without cream, prawns stay plump, and no oil puddle remains in the bowl.
Calories at the same serving size
209 kcal · 31% lower estimated
The estimate uses the listed ingredients divided into 8 servings. Brand labels, trimming, and the amount left in the pan can change the result.
Keep the leftovers in the same spirit
Cool Prawn Pasta promptly and refrigerate in a sealed container for up to 2 days. Reheat only the portion needed until piping hot; keep crisp or fresh components separate where possible.
Cool Prawn Pasta promptly and refrigerate in a sealed container for up to 2 days. Reheat only the portion needed until piping hot; keep crisp or fresh components separate where possible.
Frequently asked questions
Can I prepare Prawn Pasta ahead?
Yes. Complete the preparation stages in advance, then do the final crisping, dressing, or assembly close to serving so Prawn Pasta keeps its intended texture. Cool Prawn Pasta promptly and refrigerate in a sealed container for up to 2 days. Reheat only the portion needed until piping hot; keep crisp or fresh components separate where possible.
Does the calorie estimate for Prawn Pasta include sides?
No. The estimate covers one portion made from the measured ingredients listed here; drinks, chips, salad dressing, and other side dishes need to be counted separately. sear prawns briefly, use tomato and pasta water instead of cream, and limit olive oil to 20 g for eight portions.
- wholemeal spaghetti700 g
- raw peeled prawns1 kg
- cherry tomatoes900 g
- courgettes700 g
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Recipe development and nutrition review: CaloNote Editorial
This editorial recipe uses ingredient-level nutrition estimates and reviewed cooking principles. It is not represented as physically test-cooked, and nutrition is approximate.
Published and last reviewed: August 25, 2026
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