Heat oil in a large skillet over medium high heat.
Preheat oven to 375 degrees.
Add onion, celery, and carrot, along with a couple pinches of salt and pepper. Cook, stirring frequently, for about 8 minutes.
Add garlic, thyme, sage, and butter and cook, stirring frequently for 1 minute.
Then stir in flour and cook for another minute.
Reduce heat to medium and stir in heavy cream and vegetable broth.
Stir in frozen peas and chickpeas and cook for just a minute or so until it thickens slightly.
Add biscuits on top of the pot pie filling and brush the biscuits with the beaten egg.
Bake for 15 minutes. Loosely cover with a sheet of tin foil and bake for another 15 minutes or until biscuits are cooked through.
Garnish with fresh chopped parsley and enjoy!
