Streusel Banana Bread

Bahan-bahan (12 porsi)

• 6 tablespoons unsalted butter, (at room temperature)
• ¾ cup all purpose flour
• ⅓ cup packed light brown sugar
• 1 teaspoon ground cinnamon
• ½ teaspoon kosher salt
• ½ cup chopped pecans
• 1½ cups all purpose flour
• ¾ teaspoon baking soda
• ¼ teaspoon kosher salt
• ½ cup (1 stick) unsalted butter, (melted)
• 1 cup granulated white sugar
• 2 large eggs, (at room temperature)
• 1 teaspoon vanilla extract
• ⅓ cup buttermilk
• 3 medium (1 cup) very ripe bananas, (mashed)