Step 1

Preheat oven to 350 degrees F.

Step 2

Melt butter in a large saucepan over medium-high heat.

Step 3

Add carrots, celery, onion, and potatoes. Saute for 8-10 minutes , or until vegetables begin to soften.

Step 4

Add garlic and season with salt and pepper.

Step 5

Mix in flour, chicken broth and cream cheese. Let cook for 5 more minutes, stirring constantly.

Step 6

Fold in chicken and peas.

Step 7

Pour mixture into a 12-inch oven safe skillet.

Step 8

Roll out a sheet of puff pastry and place on top of skillet. Use a sharp knife to cut off any excess dough hanging over the sides.

Step 9

Whisk egg in a small bowl and brush over the top of the pot pie.

Step 10

Cook for 18-20 minutes, or until the top is golden brown.