Chai-Spiced Oatmeal Raisin Bars

Bahan-bahan (12 porsi)

• 1 stick butter ((softened))
• 1/2 heaping cup light brown sugar ((packed))
• 1 large egg
• 1/2 tsp vanilla extract
• 3/4 cup whole-wheat pastry flour
• 1/2 tsp baking soda
• 1 tsp ground cinnamon
• 1/2 tsp ginger
• 1/4 tsp cardamom
• 1/4 tsp cloves ((or sub pumpkin pie spice))
• 1/4 tsp salt
• 1 1/2 cups rolled oats
• 1/2 cup jumbo mixed raisins