In your mixer, add the 2 cups all-purpose flour, 1 teaspoon baking soda 1 teaspoon salt and 3 teaspoons ground cinnamon Mix well.
Then add 1 tablespoon butter 1/4 cup brown sugar, 1/4 cup granulated sugar 2 large eggs, and 3 large bananas.
Mix well
In a bundt pan that is small enough to fit into your Instant Pot, spray non-stick cooking spray.
Then add the mixture to the bundt pan.
Then add your trivet that came with your Instant Pot, and add 2 cups of water. Then place the bundt pan on top of the trivet.
Set your manual high pressure for 50 minutes, making sure that the vent is sealed.
Let it naturally release.
Then let it cool down. Then if you would like to add the glaze, mix 1/2 cup confectioners sugar, 1 teaspoon vanilla, 1 tablespoon butter, 1 teaspoon milk in a mixing bowl and then pour it on top of the cake.
Drizzle the 1/2 cup whole pecans over the top.