This healthy chicken fajita pasta bake recipe was created as I was planning on making Stuart a meatball pasta bake but had forgotten to buy meatballs! So instead I decided to experiment. From that, the healthy Chicken Fajita pasta bake was made!

chicken fajita pasta bake
Chicken fajita pasta bake

Just Average Jen is an independent blog. It is not connected with any weight loss plan. None of the contributors have received training from them or worked for them.

The reader is responsible for checking nutritional values, such as Slimming World syn values and WW points. Additionally, they must check any other allowances; any given are approximate.

Tips for making Chicken Fajita Pasta bake

I find that cooking the vegetables makes them a bit mushy. To prevent this I put them in the dish raw before cooking. They still cook well but still have a bit of a bite to them.

If you prefer your vegetables a bit more well done just fry them a little first in Frylight and then mix in as usual.

If you would rather you can use grated cheese throughout instead of Primula. To do this substitute the primula for 80g of 50% less fat grated cheddar and it will be just as tasty.

I prefer to buy fajita spice in bulk to save money, but you could easily make your own fajita spice with what you have already on the spice rack.

Perfect adaptions to this recipe

This recipe can easily be adapted to use different meats or even Quorn with no problem at all.

If you are not keen on any of the specific vegetables in this recipe why not change them to something else you prefer. All I would recommend is to avoid too many mushrooms or to cook them first to prevent the bake from becoming watery.

Quorn mince and chicken pieces
Quorn mince and Quorn chicken pieces

Making this recipe with Quorn

It is really easy to adapt this recipe to use Quorn, as a vegetarian myself I do it often. It is always worth remembering that Quorn takes less time to cook when substituting it for chicken.

Check out my selection of Quorn recipes, all perfect for all the family whether vegetarian or not, some are vegan too.

chicken fajita pasta bake
Chicken fajita pasta bake

Why you need vegetables to lose weight

Everyone knows vegetables are good for you, don’t they? They are healthy and filling for very few calories!

The best vegetables are those with low-calorie density.

This means if you eat 100g of spinach, for example, it is just 23 calories and 100g of crisps, which would be just as filling, is around 536 calories!

Find more tips about the best vegetables for weight loss.

Is the healthy chicken fajita pasta bake suitable for weight loss

If you follow Slimming World, Weight Watchers (WW), Noom or any other weight loss plan you can usually count the ingredients within this recipe in your allowances. It is of course important to check yourself any plan you follow and remember all nutritional information and ingredients are found in the recipe card below.

This recipe is Slimming World friendly and can be syn free. Do note it is only syn free if using one healthy extra a choice per person for the cheese in the recipe. The fajita seasoning I use is syn free but check yours to be sure.

The dish itself has at least a third vegetables so fits perfectly with the Slimming World plan. I always suggest adding a handful of salad for good measure.

It really is a personal preference. A handful of leaves is really easy to add so won’t add any time to the cooking. Salad is minimal calories but fills you up a little more too.

Remember if you follow the Slimming World plan to check regularly that the syn values and recommendations have not changed.

Bowl of salad

The perfect pasta

I have a newfound love for Garofalo pasta. In my experience, it doesn’t break up as much and go as soft as other brands and holds the flavour really well.

When boiling the pasta for a pasta bake how you cook it makes all the difference. The best tip I can give you is to strain it when it is almost done but still a little chewy.

This way in the oven it absorbs a little moisture from the tomatoes and vegetables. The pasta then softens just nicely. The pasta bake is not too sloppy and firms up nicely.

Pasta pieces in a pile

Using frozen chicken

Chicken for this or any other chicken recipes should never be cooked from frozen, there are so many issues with this that risk food poisoning. If you have just realised you only have frozen chicken there I have lots of tips to safely defrost chicken check them out in my defrosting chicken guide.

raw chicken breasts on a white plate
Raw chicken breasts

Other healthy recipes you may enjoy

For more pasta-based recipes for all the family check out my ultimate pasta recipe guide which is full of recipes like this, cherry tomato and butternut squash pasta bake and even includes a fruit pasta!

You can find more recipes with chicken here.

Which meal do you struggle with ideas for healthy meals? I have lists of breakfast ideas and lunch ideas if that helps you.

I also came across this chorizo and blue cheese pasta recipe which sounds good too so why not have a try?

Leek and macaroni cheese
Leek and macaroni cheese

Etsy for weight loss

If you are like me and like buying fun new items to motivate your weight loss, then here are my favourites. Etsy is great for items for the kitchen and weight loss goodies. I could spend hours browsing there.

There are so many great food diaries too so you can record your meal plans and track your weight loss to keep a record of the good and bad weeks. Click the photos to have a look for yourself.

weight loss sign
a bottle of milk
A weight loss sign
teaspoon saying calories don\'t count on this spoon
Weight loss magnet
A close up of a bouquet of skinny whip bars

I have a lot of weight loss guides and support if you want to exercise including if you have a condition like fibromyalgia.

Have a good look around and see how I can help you achieve your weight loss goals. Request my free resources to get you started too!

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chicken fajita pasta bake

Healthy chicken fajita pasta bake

  • Author: JustAverageJen
  • Prep Time: 20 Minutes
  • Cook Time: 30 Minutes
  • Total Time: 50 minutes
  • Yield: 6 Portions 1x
  • Category: Main meal
  • Method: Oven
  • Cuisine: Italian
  • Diet: Low Calorie


A healthy chicken fajita pasta bake recipe for all the family



150 grams Dry pasta twists.

4 Jalapeno peppers sliced.

1/2 red pepper deseeded and sliced.

1/2 orange pepper deseeded and sliced.

1/2 yellow pepper deseeded and sliced.

1 Large red onion sliced.

7 Mushrooms sliced

600 grams tinned chopped tomatoes

3 Chicken breasts thinly sliced

2 tbsp Fajita Seasoning

1 tube (150g) Primula Light

80 grams Grated 50% less fat cheddar.


1. Preheat oven to 200°c/Gas 6.

2. Sprinkle the Fajita seasoning over the sliced chicken and cook for around 25 minutes in the oven or until all chicken is thoroughly cooked. Stir half way through cooking to ensure all is coated in the seasoning.

3. Cook pasta according to packet instructions then drain and set aside.

4. In a bowl mix together the onion, mushrooms, peppers, tinned tomatoes, grated cheese and jalapenos then add to the casserole dish with the cooked pasta. (I tend to mix it all in the casserole dish to save washing up!)

5. Add the cooked chicken and mix thoroughly.

6. Bake in the oven for around 40 minutes or until bubbling and hot throughout.

7. Remove from the oven and top with the Primula light.

8. Replace in the oven for around 10 minutes or until the Primula has melted. Serve and enjoy!

Keywords: Pasta bake, Slimming World, syn free,

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About Author

Hi, I’m Jen Mellor; I live in Nottingham, UK. and use my knowledge and experience in weight loss and confidence to help you become your own cheerleader and best friend. I am usually seen wearing colourful leggings and love to wear bright colours. Wear what you love, and be proud of your style and choices!


  1. Nigel Soper says:

    I was already a believer in chicken as an excellent choice for healthiness and as well economy but these recipes have reinforced my feelings. I have read articles saying a hundred and twenty years or so ago chicken was expensive and the cheap choice was beef. Given the advantages of chicken perhaps we are paying the farmers too little per bird for such a quality product.

  2. Loved the flavours in this chicken dish – really tasty.

  3. So easy but impressive

  4. Diane Wood says:

    Hi, thanks for the recipe, looks delicious, just one question, on step 2, do you mean in the oven or on the hob? Thanks

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