Step 1: Preheat the Oven

• Preheat your oven to 350°F (175°C).
• Grease and line two 9-inch round cake pans with parchment paper.

Step 2: Prepare the Cake Batter

1. In a medium bowl, whisk together flour, baking soda, and salt.
2. In a large bowl, beat butter, granulated sugar, and brown sugar until light and fluffy.
3. Add eggs one at a time, mixing well after each addition. Stir in vanilla extract and sour cream.
4. Fold in mashed bananas and poppy seeds (if using).
5. Gradually add the dry ingredients to the wet ingredients, mixing until just combined.

Step 3: Bake the Cake

1. Divide the batter evenly between the prepared pans.
2. Bake for 25–30 minutes, or until a toothpick inserted into the center comes out clean.
3. Cool the cakes in their pans for 10 minutes, then transfer to a wire rack to cool completely.

Step 4: Make the Cream Cheese Frosting

1. In a large bowl, beat cream cheese and butter until smooth and creamy.
2. Gradually add powdered sugar, beating until fully incorporated.
3. Stir in vanilla extract and heavy cream, adjusting the consistency to your preference.

Step 5: Assemble the Cake

1. Place one cake layer on a serving plate and spread frosting evenly on top.
2. Add the second cake layer and frost the top and sides.

Step 6: Garnish and Serve

1. Decorate with banana slices and crumbled cake or chopped nuts.
2. Slice and enjoy this deliciously moist banana cake!