Step 1

Pre-heat oven to 200°F.

Step 2

Add flour, cocoa powder, sugar, and salt into a bowl and mix well.

Step 3

Then slowly fold in the oil and butter. Once combined, crack the egg into a separate bowl and add a little bit at a time.

Step 4

Now, add enough milk to turn it into a batter-like consistency and mix well.

Step 5

Butter a square pan and pour in the batter. Bake for 12-15 minutes.

Step 6

Let cool, then serve.