Chicken Supper Pie

There's something about the sound of a wooden spoon scraping the bottom of a skillet that tells you a sauce is coming together just right. I learned to make this pie on a rainy Sunday when my mum decided we needed comfort food that would stick around until bedtime, and she handed me the butter to melt while she prepped the vegetables. That first time, I was terrified of lumps in the sauce, but she simply said, "Go slow with the liquid," and somehow everything clicked. Now it's the pie I make when someone needs feeding, really feeding.

I once made this for a friend who'd just moved into a new flat with nothing in the cupboards but hope and an oven. Watching her take that first bite while sitting on a cardboard box told me everything I needed to know about why this pie keeps finding its way onto my table.

Ingredients

• Cooked chicken breast or thighs, 500 g shredded or diced: Use leftover roast if you have it, or poach fresh breasts the night before—thighs hold moisture better if you're not careful.
• Medium onion, finely chopped: The base of everything; don't rush this step or you'll miss the sweetness.
• Carrots and celery stalks, diced: These two together are why it tastes like home, 2 of each keeps it balanced.
• Frozen peas, 150 g: They thaw right into the sauce and add a gentle sweetness that matters more than you'd think.
• Garlic clove, minced: Just one, so it whispers rather than shouts.
• Unsalted butter, 50 g: This is your base for the roux, don't go light on it.
• All-purpose flour, 40 g: Creates the thickener that transforms broth into sauce; sifting it first prevents lumps entirely.
• Chicken stock, 500 ml: Good stock changes everything, taste yours before committing.
• Whole milk, 120 ml: Adds richness without overwhelming the chicken; whole milk, not cream, keeps it balanced.
• Fresh parsley, 2 tbsp chopped: Scattered in at the end so it stays bright and doesn't turn bitter.
• Dried thyme, 1 tsp: A quiet herb that ties the whole filling together.
• Salt and pepper: Essential and season in stages, not all at once.
• Ready-rolled puff pastry sheet, about 320 g: Saves time and honestly, it's just as golden as homemade.
• Egg, beaten for egg wash: Brush it on the pastry just before baking so it catches light and turns deep golden.

Instructions

Heat the oven and build your base:

Set the oven to 200°C and give it time to reach temperature while you work on the skillet. Melt the butter over medium heat, then add the onion, carrots, and celery, stirring occasionally so they soften without browning.

Coax out the garlic:

Once the vegetables have had 5 to 7 minutes, add the minced garlic and let it bloom for just a minute—it smells incredible and signals you're ready for the next step.

Make a paste with flour:

Sprinkle the flour over everything and stir constantly for 2 minutes so it coats every vegetable and starts to cook out its raw taste.

Whisk in the liquid slowly:

Pour the stock and milk gradually while stirring to avoid lumps forming, then bring it to a gentle simmer and let it thicken for about 5 minutes until it coats the back of a spoon.

Fold in the chicken and herbs:

Add the shredded chicken, peas, parsley, thyme, salt, and pepper, stirring gently so everything mingles without breaking apart. Let it simmer for 2 to 3 minutes more, then taste it one more time before turning off the heat.

Fill the pie dish and top:

Pour the warm filling into your deep pie dish, then unroll the pastry over the top, trim the edges, and crimp them closed with a fork or your fingers. Cut a few small slits in the top so steam can escape during baking.

Finish with a golden wash:

Brush the egg wash all over the pastry surface, letting it find every crevice so it bakes golden and glossy.

Bake until the pastry is crisp and brown:

Slide it into the oven for 25 to 30 minutes until the pastry is deep golden and the edges are slightly puffed. Let it rest for 5 minutes out of the oven so it holds together when you serve.

Save to feedthepins

I remember my daughter asking why I was making pie on a Tuesday, and I realized I didn't have a special reason—it just felt right. That's when I understood this dish isn't waiting for occasions, it makes its own.

The Sauce That Holds It Together

The roux is the quiet hero of this pie, and it's worth understanding properly. When butter and flour cook together, something magical happens—the flour particles swell and gelatinize, turning into a thickener that can hold liquid without lumps. The secret is cooking it just long enough that it stops tasting floury (about 2 minutes) but not so long that it browns, which would darken your sauce and add a roasted flavor that competes with the chicken. I once rushed this step and ended up with a burnt roux, and no amount of mixing could fix it, so patience here pays dividends.

Vegetables as Foundation

The trio of onion, carrot, and celery is classic for reason—they build layers of flavor that make the filling taste deeper and more developed than the sum of its parts. When you soften them slowly in butter, their natural sugars caramelize slightly, adding a sweetness that balances the savory stock and herbs. Don't skip this softening step by trying to cook everything at once, because the vegetables need time to release their flavor into the butter before the flour arrives to thicken everything.

Pastry Perfection and Final Touches

The pastry is where the pie becomes something special, turning from a casserole into something you want to present. Ready-rolled puff pastry does exactly what you need it to do if you treat it with respect—keep it cold, brush it with egg, and give it a hot oven so it puffs and crisps without drying out. The steam vents you cut into the top aren't just practical, they're also a signal that you've thought through the whole process.

• Don't thaw the pastry if it's been frozen; use it straight from the package while it's still cold.
• If the pastry tears while unrolling, just patch it with a scrap and brush with water to seal it.
• The pie tastes just as good the next day reheated gently in a 160°C oven for about 15 minutes.

Save to feedthepins

This pie has a way of turning an ordinary evening into something that feels like it matters. Make it once and you'll find yourself making it again.

Recipe Q&A

→ Can I use fresh chicken instead of cooked?

Yes, but you must cook the chicken thoroughly before adding it to the sauce to ensure it is safe to eat.

→ What pastry works best?

Puff pastry creates a light, flaky top, but shortcrust pastry is a great alternative for a denser, more traditional finish.

→ Can I freeze this?

Yes, you can assemble the dish uncooked and freeze it, or freeze leftovers once they have fully cooled.

→ How do I know when it is done?

The pie is ready when the pastry is golden brown and the filling is bubbling hot through the steam vents.

→ What sides go well with this?

It pairs wonderfully with steamed green beans, mashed potatoes, or a fresh garden salad.