Ingredients
Chocolate Cake
- 1 ½ cups flour, see note
- 1 cup granulated sugar
- ⅓ cup cocoa powder
- 1 tsp baking powder
- ½ tsp baking soda
- ½ tsp salt
- 1 cup buttermilk
- ½ cup avocado oil, or vegetable oil
- 2 large eggs
- 2 tsp vanilla extract
- ¾ cup hot water
- nonstick spray
Frosting
- ½ cup unsalted butter, softened
- 2 cups powdered sugar
- ¼ cup cocoa powder
- 2 tbsp milk
- 1 tsp vanilla extract
Instructions
- First, in a large mixing bowl, whisk together the flour, granulated sugar, cocoa powder, baking powder, baking soda, and salt until well combined.
- In a separate bowl, whisk together the buttermilk, avocado oil, eggs, and vanilla extract until smooth.
- Gradually pour the wet ingredients into the dry ingredients, stirring until just combined. Be careful not to overmix.
- Add the hot water to the batter and stir until the batter is smooth.
- Lightly grease a 7-inch cake pan that fits inside your Instant Pot with cooking spray. Pour the cake batter into the prepared pan.
- Pour 1 cup of water into the inner pot of your Instant Pot. Place the trivet inside the pot. Cover the cake and cake pan with tin foil. Create a foil sling that wraps under the cake so you can easily lower it into the pot.
- Carefully lower the cake pan onto the trivet inside the Instant Pot. Use the aluminum sling to help you.
- Close the lid of the Instant Pot and set the valve to the sealing position.
- Select the “Manual” or “Pressure Cook” setting and set the cooking time to 35 minutes on high pressure.
- Once the cooking time is complete, allow the pressure to release naturally for 10 minutes. Then, perform a quick release to release any remaining pressure.
- Carefully remove the cake pan from the Instant Pot and let it cool on a wire rack for about 10 minutes. Then, remove the cake from the pan and allow it to cool completely.
- While the cake is cooling, prepare the frosting. In a mixing bowl, cream together the softened butter, powdered sugar, cocoa powder, milk, and vanilla extract until smooth and creamy.
- Once the cake has cooled, frost the top and sides with the prepared frosting.
- Finally, serve and enjoy!
Notes
- Cooking times may vary depending on the model and size of your Instant Pot. Always follow the manufacturer’s instructions for your specific device.
- Since I am gluten free, I tested this recipe using gluten free flour. I also tried one version with all purpose flour. They both work well!
- Do not overmix the cake batter.
- Use a 7-inch cake pan that fits inside your Instant Pot.
- Use a tin foil sling to easily lower and lift the cake out of the pressure cooker.
- Once the timer goes off, allow the pressure to naturally release for 10 minutes. Then, move the top valve to “Venting” and allow the remaining pressure to release.
- Wait until the cake is fully cooled before frosting it.
- Store leftovers in an airtight container for up to 24 hours.
- Store in the fridge for up to 5 days.
- Freeze for up to 1 month if needed.

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