Creamy Crockpot Chicken Pot Pie Soup with Puff Pastry Step-by-step instructions

Before you start

Before starting, chop all the vegetables: dice the potatoes into 1/2-inch pieces, slice the carrots into thin rounds, dice the celery, and peel the pearl onions if desired. Measure out the chicken stock and have the herbs ready.

Thaw the puff pastry according to the package instructions and keep it refrigerated until ready to bake. Set out all the ingredients so the dump-and-go process is quick and seamless.

Instructions

Layer and Cook

1. 1Layer the Crockpot
   Place the chicken breasts in the bottom of a 6-quart slow cooker. Add the diced potatoes, sliced carrots, diced celery, and pearl onions. Sprinkle with the chopped rosemary and thyme. Pour the chicken stock over everything, making sure the chicken is submerged. Do not stir; the layering helps the vegetables cook evenly.
   Look for The liquid should just cover the ingredients; if not, add a little more stock.
   Tip For even cooking, cut the potatoes into 1/2-inch dice and the carrots into thin rounds.
2. 2Slow-Cook on Low
   Cover the slow cooker and cook on LOW for 5 hours. The chicken should be fork-tender and easily shreddable. The potatoes should be soft but not falling apart. Avoid lifting the lid during cooking, as this releases heat and extends the cooking time.
   Look for After 5 hours, the chicken shreds easily with a fork and the potatoes are tender.
   Safe temperature 165°F (74°C) internal temperature (poultry)
   Tip If using a larger slow cooker, check for doneness at 4 1/2 hours.

After layering all the ingredients in the slow cooker, the liquid should be fragrant with herbs and the vegetables should be submerged. The chicken is fully cooked and shreds easily, and the potatoes are tender but not mushy.

The broth is savory and aromatic, with a rich golden color from the chicken and vegetables. Before moving on, ensure the chicken reaches 165°F (74°C).

Thicken and Finish

3. 3Shred the Chicken
   Remove the chicken breasts to a cutting board. Using two forks, shred the chicken into bite-sized pieces. Return the shredded chicken to the slow cooker, stirring it into the broth and vegetables.
   Look for The chicken should separate easily and be fully cooked through.
   Tip For extra flavor, let the chicken rest for 5 minutes before shredding to keep it juicy.
4. 4Swirl in Cream and Peas
   Pour the heavy cream and add the sweet green peas to the slow cooker. In a small bowl, whisk the cornstarch slurry until smooth, then stir it into the soup. Stir everything gently to combine. Cover and cook on HIGH for 20–30 minutes, until the soup is thickened and the peas are heated through.
   Look for The soup should be thick enough to coat the back of a spoon.
   Tip If the soup is too thick, add a splash of chicken stock to reach the desired consistency.

After shredding the chicken and stirring in the cream, peas, and cornstarch slurry, the soup should turn from brothy to creamy. The peas are bright green and tender, and the soup has a velvety texture that lightly coats the spoon. The aroma is rich and buttery, with a hint of herbs. The consistency should be thick enough to hold the puff pastry without it sinking.

Serve and Crown

5. 5Bake the Puff Pastry
   While the soup finishes, preheat the oven to 400°F (200°C). Cut the puff pastry into 6 squares and place them on a baking sheet lined with parchment paper. Bake for 12–15 minutes, until puffed and golden brown. Set aside to cool slightly.
   Look for The pastry should be deeply golden and crisp to the touch.
   Tip For extra shine, brush the pastry with an egg wash before baking, if desired.
6. 6Ladle and Crown
   Ladle the hot soup into warm bowls. Place a puff pastry square on top of each bowl and garnish with a sprinkle of fresh parsley. Serve immediately, so the pastry stays crisp.
   Look for The pastry should sit proudly on top of the creamy soup.
   Tip Warm the bowls in the oven or with hot water to keep the soup hot longer.

The puff pastry is golden and flaky, with visible layers that shatter when broken. When ladled into bowls, the soup is thick and creamy, with chunks of chicken and vegetables throughout. The parsley adds a fresh, bright finish. Each bowl should be topped with a pastry square that contrasts beautifully with the creamy soup beneath.

Common mistakes

A common mistake is lifting the lid during the first few hours of slow cooking, which lets heat escape and extends the cooking time. Another is adding the cream too early, which can cause it to curdle.

Always stir the cornstarch slurry well to avoid lumps, and add it gradually while stirring. If the soup becomes too thick, thin it with a little extra stock. Finally, don't skip baking the puff pastry until the last minute—it will soften if it sits on the hot soup for too long.

How to tell it’s done

The soup is done when the chicken is fork-tender and reaches an internal temperature of 165°F (74°C), and the potatoes are easily pierced with a knife. The broth should be thickened enough to coat the back of a spoon.

The puff pastry is done when it is puffed and deep golden brown, with a crisp exterior. Taste for seasoning and add salt and pepper if needed, though the chicken stock provides plenty of flavor.

• Poultry: 165°F (74°C) in the thickest part