Ingredient:

• 1 cup all-purpose flour
• 2 tablespoons sugar
• 2 teaspoons baking powder
• 1/2 teaspoon baking soda
• 1/4 teaspoon salt
• 1 cup sourdough discard
• 1 large egg, room temperature
• 1 cup 2% milk
• 2 tablespoons butter, melted
• Maple syrup