Place 12in cast-iron skillet in oven and preheat to 450˚F
Heat another skillet on stove with 1 tsp oil
Sautée onions for 2 min
Add the Chicken and sautée
Add carrots, celery and peas, sautée for another couple of minutes
Remove veggies to a plate
Add 1 Tbs oil to skillet and add flour, stirring for 30 seconds
Add the chicken stock and bring to boil stirring often
Cook until sauce thickens, about 3 minutes
Split the Dough in 2 pieces
Roll the pizza dough out to fit the bottom and sides of the skillet in the oven.
Take the preheated skillet out of the oven and spray with cooking spray
Place 1 of the dough rounds in it covering the bottom and going up the sides.
Bake the dough for about 5 minutes
Add 1/2 the veggie and chicken mixture to the cooked pizza dough
Pour 1/2 the sauce over the toppings
Top with 1 cup cheese and sprinkle with thyme and grating of paper
Change the oven to broil and broil for a couple of minutes until the cheese is melted and browned.
Remove from oven and slide the pizza out of the pan
Allow to cool while you cook the second pizza
Slice and eat!