• Preheat the oven to 375 degrees Fahrenheit. Line a 12-cup muffin pan with muffin liners, spray lightly with nonstick cooking spray, and set aside.
• In a large bowl, combine 2 cups all-purpose flour, 1 ½ tablespoons poppy seeds, 2 teaspoons baking powder, and ½ teaspoon salt.
• In a medium bowl, whisk together 1 cup mashed ripe banana, 1 large egg, ¾ cup granulated sugar, ¼ cup vegetable oil, 1 tablespoon orange zest, and 1 teaspoon vanilla extract. Add the wet ingredients to the dry and stir together until just combined.
• Add the banana mixture to the flour mixture and mix until just combined. Scoop the batter into the prepared muffin pan until each well is ¾ of the way full.
• Bake for 18 minutes, or until a toothpick comes out clean from the center of the muffins.

Orange Glaze

• Add 1 cup powdered sugar, 2 tablespoons fresh orange juice, 1 teaspoon orange zest, and 1 teaspoon vanilla extract to a medium bowl and whisk until smooth. Add more orange juice 1 teapoon at a time as needed until the desired consistency is reached.
• Brush or drizzle the glaze over the cooled muffins. Let the glaze sit on the muffins for 20 minutes or so before serving.