Kue Bundel Pisang

Bahan-bahan (1 porsi)

• 3 cups all-purpose flour
• 2 teaspoons baking soda
• 1/2 teaspoon salt
• 2 sticks unsalted butter (at room temperature)
• 2 cups sugar
• 2 teaspoons pure vanilla extract
• 2 large eggs (preferably at room temperature)
• 4 bananas (very ripe, mashed (you should have 1 1/2 - 1 3/4 cups))
• 1 cup sour cream (or plain yogurt)