Cook bacon until crispy in a large cast iron skillet.
Mix 2 tbsp of K.A Flour with 2 tbsps water and set aside.
Remove the bacon, chop it and set aside.
Add the canola oil and heat.
Add the cubed beef and brown the cubes on all sides.
Remove the meat and set aside.
Add the onion, garlic and mushrooms and cook for about 10 minutes stirring frequently.
Sprinkle the remaining K.A Flour over the mixture and give it a good stir.
Gradually add the beef stock and the Guiness, stirriing while adding.
Add the meat and chopped bacon back into the pan and stir.
Add the K.A Flour and water mixture and mix well.
Mix in the thyme, bay leaf,salt and onion powder, and bring the mix to a simmer.
Simmer for 10 to 15 minutes and remove from heat.
Preheat oven to 350 °F (175C)
Roll out the Low Carb Pie Crust.
Cover the skillet with the rolled crust. (Flute or roll edges if needed)
Cut a small slit in the center to allow the steam to escape.
Brush the crust with the egg white.
Bake for 30 minutes, or until the crust is golden and the filling is bubbly.
Serve hot.