– ½ cup unsalted butter softened (115 grams) – ½ cup granulated sugar (100 grams) – ¼ cup light brown sugar (50 grams) – 2 large eggs at room temperature – 1 teaspoon pure vanilla extract – 2 cups mashed banana (440 grams; about 4 large bananas) – 2 cups all-purpose flour spooned & leveled (250 grams) – 1 teaspoon baking powder – ½ teaspoon baking soda
– 1 teaspoon ground cinnamon – ½ teaspoon salt – ¼ cup granulated sugar (50 grams) – 2 teaspoons ground cinnamon
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