• CHECK OUT THE COMPLETE VIDEO POSTED IN THE POST FOR BETTER UNDERSTANDING.
• Place the inner pot inside your 6 quart or 8 quart Instant Pot. Plug it in. Place Trivet inside the Inner Pot. Pour 2 cups of water inside the inner pot. Press Saute and set on High. Warm up the water till it starts steaming. Then cancel when it steams. This speeds up the process of bringing the IP on pressure. Meanwhile work on the Cake Batter.
• Take 5-6 Mason Canning Jars of 8 ounce each. For 4 ounce jars, see the instructions towards the bottom in the recipe. Grease them with a cooking spray. Set aside.
• Take 2 cups of Duncan Hines Devils Food Cake mix in a Mixing Bowl. Add eggs + cooking oil + water to the cake mix. Take a hand held blender and blend for 2 minutes on medium speed till batter becomes smooth.
• Now distribute the batter evenly in 5-6 Jars. I used 5 Mason Jars But I could have easily used 6 as well.
• IMPORTANT - Do not fill more than 2/3 of the jar. You would be actually filling sligjtly less than 2/3rd of the jar for enough room for the cake to rise.
• Cover the mouth of the Jars with Aluminum Foil. Now carefully place these jars on the trivet inside the Instant Pot. Set them closely next to each other. A 6 quart IP can easily accomodate 6 jars of 8 ounce on a trivet.
• Now place the lid of the IP and lock it to SEALING. Press the CAKE BUTTON and set it for 22 minutes on Normal cake and High Pressure. And if you do not have Cake Mode on your Electric Pressure Cooker, then select the Manual/Pressure Cooker Mode and set it on High. The timing will remain the same.
• Once the timer goes off, follow NPR (natural pressure release). As the safety valve drops, open the lid. Take out the Mason Jars carefully. Place them on the counter. Remove the foil. Let it sit down till it cools down. Your mason jar cakes are ready.
• Once these cool down enough at the room temperature, frost these vanilla or chocolate frosting. Place some berries. Add some sprinkles. Enjoy with the family.

How to make Jar Cakes in 4 ounce jars?

• The process for 4 ounce remains the same. You will use 10-12 canning jars of 4 ounce each. Fill these with cake batter till 2/3rd of it. Cover with foil and stack them carefully. You can probably make 10-12 jar cakes for 4 ounce.
• Make these 4 ounce cakes in jars for about 12 minutes. Follow NPR and then follow as stated above for 8 ounce jars.

What should I do with leftover 1 cup Cake Mix?

• Use the remaining 1 cup of Cake Mix to make MICROWAVE CAKE. I do it all the time.
• Take the 1 cup Cake Mix and add 1 egg + 1 tbsp Cooking Oil + 3 tbsp Water to it. Blend till smooth for about 1 minute. Grease a small 6x4 inch PYREX BOWL. Add batter to it. Microwave in high for about 2 minutes. Check for doneness in the middle. If required, then microwave further for 30 seconds at a time till done. It should take somewhere between 2&1/2 to 3 minutes. It gives the best SOFT & SPONGY MICROWAVE CAKE.