Step 1

In a small bowl, stir to combine the hot water and butter. Set aside.

Step 2

In another bowl, stir to combine the brown sugar and cornstarch. Set aside

Step 3

Grease the inner pot of your crockpot with cooking spray.

Step 4

In a large mixing bowl, mix together all-purpose flour, baking powder, cinnamon, salt, and sugar. If using whole wheat flour, stir everything together to combine instead.

Step 5

Make a well at the center. Pour the milk, oil, and vanilla extract. Fold until a batter is formed.

Step 6

Fold your bananas until its spread evenly in the batter. Pour the batter into your greased crockpot.

Step 7

Sprinkle your brown sugar mixture on top of the batter. Pour your hot water and butter mixture afterward.

Step 8

Cover, and cook on High for 2½ to 3 hours, or until a cake tester comes out clean.

Step 9

Once done, set aside at room temperature, covered, for 20 minutes before serving.

Step 10

Portion accordingly while warm. Serve with ice cream.