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Home » Fish & Seafood

Easy Sweet & Sour Prawns

Modified: Mar 25, 2025 by Lesley · Published: Mar 4, 2025 · This post may contain affiliate links · 6 Comments

Pinnable image with recipe title and a pink bowl filled with sweet and sour prawn stir-fry.
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Easy sweet and sour prawns with pineapple is a recipe I've been cooking for years. I stir-fry a few vegetables, add a very simple homemade sweet and sour sauce, and finally sauté some king prawns until cooked through.

A pink bowl filled with sweet and sour prawn stir-fry, with sides of steamed rice and broccoli.

This sweet and sour prawns recipe is based on Chinese sweet and sour prawns. Some recipes cook the prawns in batter first, but I prefer to leave the prawns as they are, cooking them fresh in the sauce.

The sweet and sour sauce is super simple to make and uses basic ingredients most of you will have in your stores at home. The recipe is easily adapted to suit your own tastes.

I usually serve sweet and sour shrimp with some steamed white rice and extra vegetables. You could also serve with stir fried noodles.

Table of Contents

Toggle
  • Why you'll love this recipe
  • Recipe ingredients
    • Sweet and sour sauce ingredients
  • How to make Easy Sweet & Sour Prawns
  • Recipe variations
  • Serving suggestions
  • Useful hints and tips
  • FAQs
  • Pin the recipe
  • Additional recipe suggestions
  • Easy Sweet & Sour Prawns
    • Equipment
    • Ingredients
      • Sweet & Sour Sauce
    • Instructions
    • Notes

Why you'll love this recipe

  • This is a really fast cook and the whole dish can be prepared, and on the table in less than 30 minutes, making this an ideal mid week dinner dish.
  • Easy to adapt sauce recipe, if you prefer your sauce sweeter add more sugar, more sour add more vinegar, more salty add more soy sauce.
  • This recipe serves two, but is easy to double or triple if you are serving a large group of diners.

Recipe ingredients

Individual recipe ingredients for sweet and sour prawns.
  • Vegetables - I like to use onion, carrot, red bell pepper (or use any other colour pepper) in this recipe.
  • Chilli - I add one red seeded chilli to the stir fry, this adds very mild chilli heat, but you can cut it back by deseeding the chilli, or use ½ chilli, or leave it out if you prefer.
  • Garlic & Ginger - I add fresh garlic and ginger to add depth of flavour. You can also use frozen garlic and ginger.
  • Pineapple - I use a small can of pineapple rings in juice. I retain the pineapple juice to add to the sweet and sour sauce.
  • Oil - I like to use sunflower oil when stir-frying as it doesn't have a strong flavour.
  • Prawns - I use raw king prawns (large shrimp) in this recipe. For ease I like to buy peeled and deveined king prawns.
  • Spring onions - I like to add sliced spring onions to the dish before serving to add a burst of freshness.

Sweet and sour sauce ingredients

  • Flour - I use plain flour (all purpose flour) to thicken the sauce.
  • Sugar - caster sugar is used to sweeten the sauce, but don't add to much as there is also sweetness in the pineapple juice.
  • Tomato ketchup - tomato ketchup adds both depth of tomato flavour and sweetness to the sauce.
  • Vinegar - I use white wine vinegar or white vinegar when making sweet and sour sauce, both work equally well.
  • Soy sauce - I add light soy sauce to the sweet and sour sauce, as light soy sauce add salty seasoning.
  • Pineapple juice - I retain the juice from the can of pineapples and add it to the sauce with some cold water.

How to make Easy Sweet & Sour Prawns

A frying pan with sauteed onion, carrot, red pepper, pineapple, garlic and ginger.
A measuring jug of pineapple juice from the can of pineapple rings, and a bowl of remaining sauce ingredients.
  • Prepare the vegetables and set aside, keeping the onion, carrot and bell pepper separate from the chilli, garlic and ginger.
  • Remove the pineapple rings from the can and cut each ring into 8 even-sized pieces.
  • Pour the remaining pineapple juice into a measuring jug and top up with water to 280ml (½ pint).
  • Place all the sauce ingredients into a bowl and stir until well combined. Now pour the sauce ingredients into the jug with the pineapple juice and stir.
A frying pan with sauteed onion, carrot, red pepper, pineapple, garlic and ginger with sauce being added.
Frying pan filled with sweet and sour sauce containing onion, carrot, red pepper and pineapple.
  • Place the wok over a high heat on the stove. When hot add the sunflower oil, followed by the onion, carrot, bell pepper and pineapple chunks. Stir fry for 5 minutes, keeping everything moving to stop it burning.
  • Now add the chilli, garlic and ginger and stir fry for a minute.
  • Pour the sauce into the wok, bring to a boil and cook for 3-5 minutes until the sauce has reduced and thickened to the desired consistency.
A frying pan filled with sweet and sour sauce with added raw prawns.
A large frying pan with sweet and sour prawns.
  • Now add the prawns to the wok and cook for 2-3 minutes until cooked through (internal temp 63°C/145°F).
  • Remove the wok from the heat and serve the prawns and sauce with some steamed rice or noodles. Garnish with spring onions.
A pink bowl filled with sweet and sour prawn stir-fry, with sides of steamed rice and broccoli.

Recipe variations

  • Prawns - I prefer to use raw prawns, cooking them in the sauce. You can use cooked prawns, but add them to the sauce, and only stir through for a minute to warm through, otherwise they will overcook.
  • Protein - swap the prawns for other protein like chicken or pork. If using chicken or pork, sauté the meat first until cooked through, then remove it from the wok and set aside. Add it back into the cooked sauce to warm through before serving.
  • Vegan - make a plant based vegan sweet and sour by replacing the prawns with tofu, or a variety of other vegetables.
  • Vegetables - add in other vegetables to the stir fry, try baby corn, sugar snap peas, mange tout, mushrooms, or broccoli florets (par boil broccoli for 2 minutes first).
  • Gluten Free - swap the flour in the sauce for corn flour (cornstarch).

Serving suggestions

I like to serve sweet and sour with some steamed white rice, or my Easy Egg Fried Rice. You can swap rice for noodles if you prefer.

I also like to add a couple of additional vegetable sides, try my Chinese Stir Fry Broccoli or Stir Fry Pak Choy.

A pink bowl filled with sweet and sour prawn stir-fry, with a set of chopsticks picking up a prawn.

Useful hints and tips

  1. Once the sauce has reduced taste the sauce, then adjust to your taste. Want it a little sweeter add some ketchup or sugar. Prefer it a little more sour (I do), then add a vinegar.
  2. Don't overcook the prawns, cook them only until they turn pink and cooked through internal temperature of 63°C/145°F), take off the heat. The prawns will continue to cook in the hot sauce, and you don't want them overcooking and becoming rubbery.
  3. Allergy advice: dairy free, egg free, soya free and nut free. For comprehensive and detailed allergy advice go to Allergy UK.

FAQs

Can I use frozen prawns

Yes, you can use frozen prawns in this recipe. Either defrost the prawns in the fridge, or cook them straight from frozen. If cooking from frozen you will need to cook the prawns a little longer to ensure they are cooked through to an internal temperature of 63°C/145°F.

Can I use cooked prawns?

Yes, you can used ready cooked prawns in this recipe. Cut back on the cook time as the prawns are precooked you only need to reheat them, overwise they can become tough and rubbery.

Can I reheat sweet and sour prawns?

Fresh Prawns - This is a dish that is best enjoyed freshly made as reheating prawns can make they rubbery. However, if you are using raw prawns you can reheat this dish once. Place in an airtight container in the fridge for up to 3 days. When ready to reheat place back into a hot wok or frying pan to warm through, don't overcook or the prawns will become rubbery.

Precooked Prawns - If you use precooked prawns in this recipe, they have already been cooked once, and cooking them in this sweet and sour sauce will be their second cook/reheat, so do not reheat them a third time!

Pin the recipe

Pinnable image with recipe title and a pink bowl filled with sweet and sour prawn stir-fry.

Additional recipe suggestions

If you like this recipe then try some of my other stir fry recipes:

  • Easy Sweet & Sour Chicken
  • Beef Stir Fry with Black Bean Sauce
  • Easy Stir Fried Chicken & Cashew Nuts
  • Easy Vegetable Stir Fry
  • Chinese Steamed Seabass
  • Pork & Peanut Stir Fry

For further great family dining ideas take a look at our Ultimate Guide to Family Dining.

A pink bowl filled with sweet and sour prawn stir-fry, with a side of broccoli.

Easy Sweet & Sour Prawns

Easy sweet and sour prawns with pineapple, stir fried vegetables and fresh king prawns. A simple recipe that can be cooked in no time.
5 from 3 votes
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Prep Time: 15 minutes mins
Cook Time: 10 minutes mins
Total Time: 25 minutes mins
Servings: 2
Calories: 399kcal
Author: Lesley Garden

Equipment

  • chopping board
  • Kitchen knife
  • measuring spoons
  • Measuring jug
  • Small bowl
  • wok or large frying pan

Ingredients

  • 1 onion (sliced)
  • 1 large carrot (julienned)
  • 1 red bell pepper (sliced)
  • 1 red chilli (finely chopped)
  • 3 cloves garlic (finely chopped)
  • 5 cm root ginger (finely chopped or grated)
  • 225 g can pineapple rings in juice
  • water
  • 2 tablespoon sunflower oil
  • 200 g raw peeled & deveined king prawns
  • 3 spring onions (finely sliced, garnish)

Sweet & Sour Sauce

  • 1 tablespoon flour
  • 1 tablespoon caster sugar
  • 2 tablespoon tomato ketchup
  • 2 tablespoon white wine vinegar
  • 1 tablespoon light soy sauce

Instructions

  • Prepare the vegetables and set aside, keeping the onion, carrot and bell pepper separate from the chilli, garlic and ginger.
  • Remove the pineapple rings from the can and cut each ring into 8 even-sized pieces.
  • Pour the remaining pineapple juice into a measuring jug and top up with water to 280ml (½ pint).
  • Place all the sauce ingredients into a bowl and stir until well combined. Now pour the sauce ingredients into the jug with the pineapple juice and stir.
  • Place the wok over a high heat on the stove. When hot add the sunflower oil, followed by the onion, carrot, bell pepper and pineapple chunks. Stir fry for 5 minutes, keeping everything moving to stop it burning.
  • Now add the chilli, garlic and ginger and stir fry for a minute.
  • Pour the sauce into the wok, bring to a boil and cook for 3-5 minutes until the sauce has reduced and thickened to the desired consistency.
  • Now add the prawns to the wok and cook for 2-3 minutes until cooked through (internal temp 63°C/145°F).
  • Remove the wok from the heat and serve the prawns and sauce with some steamed rice or noodles. Garnish with spring onions.

Notes

Frozen prawns - You can use frozen prawns in this recipe. Either defrost the prawns in the fridge, or cook them straight from frozen. If cooking from frozen you will need to cook the prawns a little longer to ensure they are cooked through to an internal temperature of 63°C/145°F.
Precooked prawns - You can used ready cooked prawns in this recipe. Cut back on the cook time as the prawns are precooked you only need to reheat them, overwise they can become tough and rubbery.
 
REHEATING SWEET & SOUR PRAWNS
Fresh Prawns - This is a dish that is best enjoyed freshly made as reheating prawns can make they rubbery. However, if you are using raw prawns you can reheat this dish once. Place in an airtight container in the fridge for up to 3 days. When ready to reheat place back into a hot wok or frying pan to warm through, don't overcook or the prawns will become rubbery.
Precooked Prawns - If you use precooked prawns in this recipe, they have already been cooked once, and cooking them in this sweet and sour sauce will be their second cook/reheat, so do not reheat them a third time!
 
Nutrition Facts
Easy Sweet & Sour Prawns
Amount Per Serving
Calories 399 Calories from Fat 144
% Daily Value*
Fat 16g25%
Saturated Fat 2g13%
Trans Fat 0.01g
Polyunsaturated Fat 1g
Monounsaturated Fat 12g
Cholesterol 126mg42%
Sodium 1248mg54%
Potassium 779mg22%
Carbohydrates 49g16%
Fiber 6g25%
Sugar 33g37%
Protein 18g36%
Vitamin A 7668IU153%
Vitamin C 131mg159%
Calcium 129mg13%
Iron 2mg11%
* Percent Daily Values are based on a 2000 calorie diet.

• Please note that the nutrition information provided above is approximate and meant as a guideline only •

Course : Main Course
Cuisine : Chinese
Keyword : prawns, shrimps, stir fried vegetables, stir fry
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Comments

  1. Cat says

    May 13, 2025 at 8:49 pm

    5 stars
    What an absolutely fantastic recipe! I made these for my husband and Mum and they went down a treat!

    Reply
    • Lesley says

      May 14, 2025 at 1:33 pm

      Thank you Cat, I'm really glad you all enjoyed the recipe.

      Reply
  2. Chloe says

    March 15, 2025 at 4:11 pm

    5 stars
    er heck yes! I usually make something similar with chicken but I loved this prawn version - it was not that they weren't battered either.

    Reply
    • Lesley says

      March 17, 2025 at 6:14 pm

      Thank you Chloe, I'm glad you enjoyed the recipe.

      Reply
  3. Hazel says

    March 07, 2025 at 3:07 pm

    5 stars
    What a find! I couldn't believe how easy this was to make and it tastes completely authentic.

    Reply
    • Lesley says

      March 10, 2025 at 12:20 pm

      Thank you Hazel, I'm really glad you enjoy the stir fry.

      Reply

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Recipe Rating




5 from 3 votes

Hi, I’m Lesley.

I’m the blogger, cook and creator behind Lost in Food.

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