Pour all ingredients into large mixing bowl
Combined ingredients with hand mixer until no visible lumps(batter will be thick)
Pour batter into greased 6 cup bundt pan
Place trivet into Instant Pot liner and pour in 1 1/2 cups water
Insert bundt pan and lock lid with vent set to sealing
Cook on manual for 35 minutes
When Instant Pot beeps, allow to natural release for 5 minutes and then release remaining pressure
Carefully remove bundt pan and let cool on a cooling rack for 15 minutes before flipping cake onto plate
Garnish with powdered sugar lightly if you would like