Leftover rotisserie chicken salad with celery, red onion, mayonnaise, and brown mustard
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Leftover Rotisserie Chicken Salad

Got a little leftover rotisserie chicken sitting in the fridge waiting for its next job? This leftover rotisserie chicken salad turns it into a cool, creamy mix with crisp celery, red onion, and a gentle mustard bite. No second cooking session required, which is exactly what leftover chicken wants.

Why This Recipe Works

The chicken already did the hard work, so all you need to do is chop, stir, and season. The creamy mayonnaise balances the fresh crunch of celery and onion, while brown mustard adds just enough tang to keep the salad lively.

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Recipe Details

DetailTime
Prep Time10 minutes
Cook Time0 minutes
Total Time10 minutes
Servings6

What You’ll Need

IngredientAmount
Leftover rotisserie chicken, shredded or chopped3 cups
Celery, chopped2–3 stalks
Red onion, thinly sliced or chopped¼ cup
Mayonnaise½–¾ cup
Brown mustard1 teaspoon
SaltTo taste
Black pepperTo taste

Reheating Tip

Reheating is not needed for this salad, chilled leftover rotisserie chicken works especially well here. If you prefer warm chicken, gently warm it separately before mixing, then let it cool slightly first.

Mixing leftover rotisserie chicken with celery, red onion, mayonnaise, and brown mustard
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How to Make Leftover Rotisserie Chicken Salad

Step 1: Prepare the leftover chicken

Remove any bones, skin, or unwanted pieces from the already-cooked leftover rotisserie chicken. Using a sharp chef’s knife, cut larger pieces into bite-size chunks, or shred the chicken for a softer salad texture.

Step 2: Chop the vegetables

Use a cutting board and sharp knife to chop the celery and red onion. Keep the celery pieces small enough to mix easily through the chicken while still giving the salad some crunch.

Step 3: Mix the chicken salad

Add the leftover rotisserie chicken, celery, red onion, mayonnaise, and brown mustard to a large mixing bowl. Start with ½ cup mayonnaise, then stir with a spatula or large spoon until everything is evenly coated.

Step 4: Season and chill

Taste the salad and add salt and black pepper as needed. Add a little more mayonnaise if you want a creamier texture. Serve right away or transfer it to an airtight container and refrigerate until ready to eat.

Conclusion

A container of leftover rotisserie chicken becomes something much more useful once it meets crunchy celery, red onion, creamy mayonnaise, and a little brown mustard. Keep this salad chilled for an easy lunch, or spoon it into a sandwich or wrap when you want that creamy chicken-salad fix without cooking another meal.

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