Healthy Mexican Chicken Tray Bake

by hintofhelen
Mexican Chicken Tray Bake Recipe

This Mexican Chicken tray bake is a recipe which I always go to when i’m eating healthy.

I love dinners like this because they’re easy, tasty and versatile. Here i’ve used a supermarket bought Mexican spice mix to speed things up (Old El Paso Mexican Smoky BBQ Fajita Seasoning). You can of course use your favourite shop-bought mixture or make your own if you have the spices in (See notes in the recipe card below)! 

Mexican Chicken Tray Bake Recipe

Having ideas and inspiration of what to cook when trying to eat healthy is half the battle. It’s so easy to be stuck in a rut of the same dinners week in, week out. This recipe is featured in my week 1 healthy meal plan. If you’re looking for more healthy eating, easy ideas please check back for my weekly meal plans – which will be posted from January 20th onwards!

This tray bake was used to create a super healthy dinner served with wholegrain rice and salad.

Then the leftovers used for wholegrain pittas with salad for lunch at work the following day.

The recipe card below has ingredients to serve 4 people one dish; or two people a main dinner and leftovers for lunch.

Topped with fresh coriander and spring onions it’s a colourful dish the whole family will enjoy!

When making any tray bake it’s important to not over-crowd the tray. I actually use a large roasting tray for such dishes – and i’d recommend you get one similar, or spread the mixture over two smaller trays.  

These Mexican salad pittas are amazing cold the following day. The salad i made was super simple; just lettuce, spinach and red onion.

How to make a Healthy Mexican chicken tray bake 

Scroll down for recipe card and ingredient list

1. Chop the chicken, peppers, onion and chilli and place in a large bowl 

2. Add your Mexican seasoning 

3. Stir to fully coat everything

4. Add lazy garlic & ginger (or fresh – whichever you chose to use)

5. Mix to evenly coat everything

6. Transfer to a large sandwich bag, or cover the mixing bowl – and set in the fridge until you need to cook it (this can be prepped on a Sunday for cooking in the week). 

7. When you’re ready to cook the chicken, brush a large baking tray with oil – or spray with frylite if you prefer – preheat the oven to 190C

8. Empty the mixture onto the tray

9. Spread to an even level and bake in the oven for 20-25 minutes – until the chicken is cooked through 

10. Whilst the chicken is cooking, chop the spring onion and coriander 

11. After 20-25 minutes the chicken should be cooked through and white inside

12. Serve ! 

This recipe was created for my weekly meal plan and made chicken & rice for dinner, then chicken pittas the following day (for two adults). 

Yield: 4 People - or 2 People for Dinner & Leftover Lunch

Healthy Mexican Chicken Tray Bake

Mexican Chicken Tray Bake Recipe

A healthy, simple mexican tray bake perfect for meal prep

Prep Time 10 minutes
Cook Time 20 minutes
Total Time 30 minutes


  • 4 chicken breasts
  • 2 bell peppers
  • 1 onion
  • 1 chilli (optional)
  • 1 packet fajita spice mix - I use the BBQ one from Old El Paso (If you'd like to make your own - see notes below)
  • 1 tbsp oil (or a few sprays of frylite)
  • 1 Handful fresh coriander
  • 3 Spring Onions

To serve (Optional)

  • Pitta Breads or rice
  • Salad (I made a simple salad of lettuce, spinach and red onion)
  • Guacamole and sour cream


  1. Chop the chicken, bell peppers and onion into equal sized pieces
  2. Chop and de-seed the chilli (if using)
  3. Add the chicken, peppers, onions and chilli to a large bowl (or direct to a sandwich bag) and add the mexican seasoning mix
  4. Stir to evenly coat everything in the mixture
  5. Seal the sandwich bag, or cover the mixing bowl and store in the fridge to marinate - for a minimum of 30 minutes - up to a few days
  6. Once you're ready to cook, brush a large baking tray with oil (or spray with frylite)
  7. Preheat the oven to 190C
  8. Pour the marinated mixture into the baking tray and spread to an even, single layer (if you need to use two baking trays - do so
  9. Cook in the oven for 20-25 minutes, until the chicken is cooked through
  10. Serve with rice or pittas and a fresh salad

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