📖 Instructions

1. First things first, let’s talk chicken. You need about 3 cups of cooked chicken, shredded or finely diced. My personal go-to is a rotisserie chicken from the grocery store – easy peasy, lemon squeezy, and already packed with flavor. If you're cooking it yourself, just boil or bake two large chicken breasts until they're cooked through (internal temperature of 165°F or 74°C), then let 'em cool down completely before shredding. Don’t worry too much about perfect shredding; some larger chunks add a nice texture, you know?
2. Now for the crunch! Grab one large stalk of celery. Wash it well under cold water, then chop it up into really small pieces. We want crunch, not huge, awkward celery chunks in our sandwich, right? Then, get a quarter of a small red onion. This is where a sharp knife really helps. Dice it up super fine. The goal here is a hint of oniony zest, not an overpowering bite. If you’re not a huge red onion fan, or find it a little too sharp, you can soak the diced pieces in cold water for 10 minutes, then drain them thoroughly. It mellows out the flavor beautifully, I’ve found.
3. Time to whip up the heart of our chicken salad – the dressing! In a medium bowl, combine about ¾ cup of good quality mayonnaise. Don't skimp here; a good mayo makes a big difference to the final taste and creaminess. Add 1 tablespoon of Dijon mustard – this gives it a lovely tang without being too spicy. Squeeze in 1 tablespoon of fresh lemon juice; this is absolutely key for brightening everything up! A pinch of salt (start with about half a teaspoon) and a good grind of black pepper (a quarter teaspoon should do it). Give it all a good whisk until it’s perfectly smooth and creamy. Taste it! Does it need a little more lemon? A bit more salt? This is your moment to adjust it to your liking, my friend.
4. Now for the magic! In a large bowl, combine your shredded chicken, the finely chopped celery, and the diced red onion. Pour that glorious creamy dressing over everything. Grab a spatula or a large spoon and gently fold it all together. You want every bit of chicken and veggie to be coated in that delicious dressing. Be careful not to mash it too much; we want some texture here! Some people like to add a handful of fresh chopped dill or parsley at this stage for extra freshness; it’s a lovely addition if you have it.
5. This step is important, don't skip it! Cover the bowl with plastic wrap and pop it into the fridge for at least 30 minutes. An hour is even better. This allows all those wonderful flavors to meld and deepen, making for an even more delicious chicken salad. It’s like letting friends chat and get to know each other before the party really starts. The chill time is crucial for the textures to firm up slightly and the flavors to fully develop, trust me on this one. It's worth the wait!
6. Alright, the moment we’ve been waiting for! Get your favorite bread – I’m a big fan of a soft brioche bun or a hearty sourdough for this, but classic white sandwich bread works beautifully too. Spread a generous amount of your chilled chicken salad onto one slice of bread. If you like, add a crisp piece of lettuce (romaine or butter lettuce works beautifully) for an extra layer of freshness and crunch. Top with the other slice of bread, and gently press down. Slice in half, diagonally if you’re feeling fancy, and there you have it! The most delightful chicken salad sandwich, ready for your picnic basket, or frankly, just your kitchen table. Enjoy every delicious bite, and don't forget a handful of potato chips on the side, it's practically a must!