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    Home » Recipes » Recipes and Posts

    Slow Cooker Mexican Chicken with Black Beans and Corn

    Published: Oct 8, 2025 by athletelunchbox · This post may contain affiliate links · 2 Comments

    Jump to Recipe Jump to Video Print Recipe

    Between busy work weeks, endless errands, and juggling family life, cooking from scratch sometimes feels impossible. But this slow cooker Mexican chicken recipe is your new weeknight hero. It's the kind of meal that practically cooks itself while you get on with life and then rewards you with juicy, shredded chicken bursting with flavour.

    a photo of a white bowl on a beige background with rice, mexican pulled chicken and topped with guac and corn chips with salsa in the background

    TL;DR

    • Serves 8 making it ideal for chicken batch-prep and freezer friendly for 3-6 months.
    • Meal prep: Suggested serving with rice
    • Fridge: Store for 4 days, separate from rice or on opposite sides of container
    • Reheating: 1 minute intervals in microwave until heated through (approx. 3 minutes)
    • Customise by serving with rice, on burritos, fajitas; and adjust spice with use of chilli's and salsa.
    Jump to:
    • TL;DR
    • Why you'll love this recipe
    • Ingredients and substitutions
    • How to make slow cooker Mexican chicken
    • Meal prepping slow cooker chicken
    • Freezing Mexican chicken
    • What can I serve with shredded chicken?
    • Some more Mexican inspired meals
    • FAQs
    • Other bulk chicken recipes you'll love
    • Recipe

    Why you'll love this recipe

    Meal prep friendly. Serve with rice (cooked in the last half hour) for balanced lunches all week.

    Mexican-inspired. With flavours like salsa and jalapenos, it's an easy way to bring the Mexican vibes like my taco soup with black beans or Mexican vegetable fritters.

    Slow cooker. It's a true "set and forget" meal like my slow cooker satay chicken and slow cooker pesto chicken pasta.

    Ingredients and substitutions

    a photo of ingredients for a slow cooker Mexican chicken ingredients on a white marble background

    Chicken breast. I quite often choose chicken breast for meal preps because it's lean and affordable. I also prefer it in the slow cooker as the shredding allows for the flavour to attach better - I even have a whole post on slow cooking then shredding it!

    Medium salsa. I recommend using at least a medium option as the slow cooker can remove a lot of flavour. Medium ends up being mild (and kid-friendly without the jalapenos) and I found mild just ends up being really bland and watery.

    When looking for salsas, have a look at the ingredients list and avoid ones with lots of water (near the beginning of the ingredients).

    I tried this recipe with tinned tomatoes and passata and they aren't as great. I definitely recommend the salsa.

    Tomato paste. Concentrates flavour and adds body without introducing extra water.

    Don't substitute with tinned tomatoes or passata or you won't have the same intensity.

    Jalapenos. Optional, but they bring back the flavour that slow cookers sometimes mute. Drain well.

    You can swap for fresh chillis for more of a kick.

    Mexican seasoning. I have my own homemade mix of Mexican flavours which makes it easily customisable, but you can use any type of taco or Mexican seasoning from the supermarket.

    I do recommend looking at the ingredients and making sure it doesn't have added "filler" ingredients as this will decrease flavour.

    Please check the recipe card for full list of ingredients and quantity.

    How to make slow cooker Mexican chicken

    a photo of chicken being browned in a slow cooker

    Step 1: If your slow cooker has a sear function, brown them first for extra flavour. Otherwise, do this quickly in a pan then transfer to the slow cooker.

    This is optional, but it does help make it more flavourful.

    a photo of chicken breasts in slow cooker with salsa, jalapenos, seasoning and tomato paste

    Step 2: Add salsa, tomato paste, and jalapenos into the slow cooker with the chicken. Stir well.

    Cover and cook on Low for 4-6 hours or High for 2-4 hours, until the chicken is tender and pulls apart easily.

    a photo of shredded chicken in a salsa sauce in the slow cooker

    Step 3: About 30 minutes before serving, shred the chicken using two forks

    a photo of vegetables being added to shredded mexican chicken in a slow cooker

    Step 4: Stir in black beans, corn, bell peppers/capsicums and lemon juice. Add the lid back on until serving (you can even turn the slow cooker off at this stage).

    a photo of a white bowl filled with rice, mexican shredded chicken and topped with guac and corn chips on a beige background with a green napkin

    Step 5: Spoon over rice, in wraps, or as a burrito bowl with your favourite toppings.

    a photo of a young brunette woman leaning over meal prep containers on a kitchen bench

    Lauren's Top Tips

    Drain tins well. Water from corn or beans dilutes your sauce so make sure to drain any excess liquid first.

    Taste after shredding. That's when you can adjust salt, heat, or acidity.

    Meal prepping slow cooker chicken

    a photo of a meal prep container with rice on one side and mexican chicken on the other with a small container of guac in the corner

    This recipe is built for meal prep. When portioning, keep the chicken and rice separate (or at least on opposite sides of the container) to stop the rice from getting soggy.

    It can be stored in the fridge for 4 days in airtight containers and microwaved on one minute intervals (for approx. 3 minutes) until reheated.

    I usually add a small container of guacamole on the side so it can be removed before reheating.

    Freezing Mexican chicken

    a photo of taco mince frozen into cubes on a white background

    The chicken mixture freezes well for up to 3 months. You can freeze in freezer-safe containers, souper cubes (like pictured) or ziplock bags.

    If you want to freeze the rice, do this separate to the Mexican chicken as rice can absorb excess moisture and turn mushy once thawed.

    If you need to freeze them together, add the rice on top of the chicken mixture for a better texture (still not optimal, but better than being mixed together).

    Let it thaw in the fridge overnight before reheating.

    What can I serve with shredded chicken?

    I have a number of Mexican-inspired recipes you can mix-and-match this slow cooker chicken with.

    Instead of grilling chicken, add this to my burrito bowls. You can replace the beef mince in my beef taco soup or even use it instead of the Mexican tofu in my potato nachos.

    To make life really simple, just grab a wrap from your cupboard and make burritos or enchiladas. You can even use mini wraps for tacos or fajitas, or just spoon this over some pasta.

    This one batch of chicken can be mix-and-matched with a number of different options to keep it interesting all week without any extra effort.

    Some more Mexican inspired meals

    • potato nachos meal prep
      Mexican Shredded Tofu Nachos with Baked Potatoes
    • a photo of a bowl with taco bowl ingredients on a bed of rice with tortillas behind on a pink backdrop
      Ground Beef Taco Bowl (Meal Prep)
    • ground beef taco soup with corn chips
      Mexican Ground Beef Taco Soup with Black Beans
    • sheet pan chicken fajitas meal prep
      One Pan Chicken Fajitas (Meal Prep)

    If you want more meal prep information, check out my Meal Prep for Beginners post and my Meal Prep Basics E-Book.

    FAQs

    How spicy is this recipe?

    It's mild-medium. Jalapenos bring gentle heat, but you can skip them or add extra if you like more spice.

    Can I leave out the corn or beans?

    Definitely - it'll still be flavourful. You can bulk it out with extra peppers or diced zucchini instead.

    Other bulk chicken recipes you'll love

    • a photo of marry me chicken meatballs with rice and a creamy tomato sauce
      Marry Me Chicken Meatballs with Sundried Tomatoes
    • whole roast chicken with orange slices on top and surrounded by potatoes
      Orange Rosemary Roast Chicken
    • a close up view of chicken thighs with lemon and mustard sauce
      Barbecue Boneless Chicken Thighs (with Lemon Mustard Sauce)
    • a horizontal image of a cooked spatchcock chicken with char marks on top of an aluminium tray with parsley and sauce
      BBQ Grilled Butterflied Chicken (with Video)

    Or, you can have a browse through my bulk chicken recipes for more delicious eats.

    I hope you enjoy this as much as I do - Love & Pasta, Lauren x

    a photo of a slow cooker on a beige background with mexican slow cooked pulled chicken in it

    I'd love to hear from you! Sign up for my email list and follow along on Instagram, Facebook, Youtube or Pinterest. If you loved my recipe, please consider leaving a star rating and comment down below.

    Recipe

    a photo of a white bowl on a beige background with rice, mexican pulled chicken and topped with guac and corn chips with salsa in the background

    Slow Cooker Mexican Chicken with Black Beans and Corn

    Save Recipe Saved Recipe!
    Athlete Lunchbox - Healthy Recipes & Meal Prep Logo
    Lauren Sampson
    This one-pot slow cooker recipe makes tender pulled Mexican chicken simmered in salsa, corn, and black beans. It's mildly spiced, wholesome, and versatile making it perfect for meal prep bowls, wraps, tacos, or burritos.
    note - ingredients can be approximate
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    Prep Time 10 minutes mins
    Cook Time 4 hours hrs
    Total Time 4 hours hrs 10 minutes mins
    Course Main Course
    Cuisine Mexican
    Servings 8 people
    Calories 501 kcal

    Equipment

    • slow cooker
    • Rice Cooker

    Ingredients
     

    • 1.25 kg (2 ½ lb) chicken breast
    • 300 g (1 cups) salsa, medium, see note 1
    • 120 g (½ cups) tomato paste
    • 1 cup jalapenos, see note 2
    • 2 tablespoon Mexican seasoning, store-bought or homemade
    • 3 bell peppers / capsicum, approx.3
    • 2 red onion, approx.2
    • 300 g (1 ½ cups) corn, approx.1 tin, drained + rinsed
    • 250 g (1 ½ cups) black beans, approx.1 tin, drained + rinsed
    • 400 g (2 cups) rice, note, this will be enough for the 8 serves. Adjust if needed.
    • 1 lemon juice, approx. approx.1
    Prevent your screen from going dark

    Instructions
     

    Slow cook

    • If your slow cooker has a sear function, brown 1.25 kg (2 ½ lb) chicken breast first for extra flavour.
      Otherwise, do this quickly in a pan and then transfer.
      This is optional, but it does help make it more flavourful.
    • Add 300 g (1 cups) salsa, 120 g (½ cups) tomato paste, 1 cup jalapenos, 2 tbsp Mexican seasoning into the slow cooker with the chicken. Stir well.
    • Cover and cook on Low for 4-6 hours or High for 2-4 hours, until the chicken is tender and pulls apart easily.
    • About 30 minutes before serving, shred the chicken using two forks

    Prepare extras

    • Dice: 3 bell peppers / capsicum, 2 red onion and add into the slow cooker.
    • Drain well: 300 g (1 ½ cups) corn, 250 g (1 ½ cups) black beans and stir into the chicken with 1 lemon juice. Taste and adjust.
    • Add the lid back on until serving (you can even turn the slow cooker off at this stage).
    • Prepare 400 g (2 cups) rice as per your preferences or follow my tips and tricks.
    • Once rice is cooked, spoon mixture over and add your favourite toppings.

    Video

    View this post on Instagram

    Notes

    Note 1 - Medium Salsa
    I recommend medium as the slow cooker removes a lot of the flavour from the dish. The medium ends up being relatively mild. Adjust with hot if preferred.
    I also recommend checking the ingredients and ensuring there's no excess water in the salsa as this can make the chicken really watery. You don’t want water listed in the first 5 ingredients.
    Note 2 - Jalapenos
    I used jarred jalapenos and this provided a mild kick with the medium salsa without being overpowering and spicy.
    Serve with
    I've suggested to serve this with rice. But you can also use it on wraps, burrito bowls, tacos etc.
    Storing
    Store in an airtight container in the fridge for up to 4 days. Keep the rice and chicken mixture on opposite sides.
    Reheating
    Reheat on 1 minute intervals until heated through (approx. 3 minutes)
    Freezing
    Freeze chicken only, or separate to the rice. In freezer safe container it'll last between 3-6 months.

    Nutrition

    Calories: 501kcalCarbohydrates: 70gProtein: 43gFat: 6gSaturated Fat: 1gPolyunsaturated Fat: 1gMonounsaturated Fat: 1gTrans Fat: 0.02gCholesterol: 100mgSodium: 664mgPotassium: 1312mgFiber: 8gSugar: 10gVitamin A: 2772IUVitamin C: 108mgCalcium: 63mgIron: 3mg
    Keyword chicken breast meal prep, chicken recipe, slow cooker meal prep
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      Recipe Rating




    1. Sally

      November 25, 2025 at 10:14 am

      I needed something easy to prep this week and this was perfect! I love the flavours, especially the addition of the pickled jalapenos! The only thing I did different was added the diced onion and capsicum with the chicken to cook, but it was so delicious I am looking forward to my lunches this week! Will be making this again for sure!

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      • athletelunchbox

        November 27, 2025 at 9:03 am

        Thanks Sally! It's a fantastic option for when you're short on time but need a versatile meal for the week! I'm glad you enjoyed it 🙂

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    Hi, I'm Lauren! I started meal prepping over 10 years ago to save time and money while in university. As an Australian representative athlete who leads an active and busy lifestyle, I know the importance of having easy meals in your back pocket and my recipes are just that!

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