Oreo Cake Total Walk Through All From Scratch

This is a complete walk through for how to make a vanilla with oreos cookie cake from scratch better than any pillsbury style cookie cake you can find. This video will start with how to make cake release so you will learn how to release a cake from a pan perfectly and also to how to make smooth no grit buttercream frosting better than a store bought not too sweet buttercream frosting for cake for decorating. This is a long video so skip what you don't need.

If you need a blank recipe book, I made one to get here:
https://www.amazon.com/dp/B0CNZQCNS2

For homemade cake release recipe :

1 Cup Vegetable Oil
1 Cup Butter
1 Cup Flour

For vanilla cream with oreos cake:

About 20 Oreos
2 1/2 C. Flour
1/4 C. Cornstarch
1/2 tsp. Baking Soda
1 tsp. Baking Powder
1/2 tsp. Salt
1/2 C. Butter room temp
1/2 C. Oil
1 2/3 C. Sugar
3 Eggs
1 1/4 T Vanilla
1 tsp. Vinegar
1 1/2 C. Buttermilk

For Frosting:

2 C. Butter
1/2 C. Milk
2 tsp. Vanilla
1/4 tsp. Salt
2 1/2 C. Powdered Sugar