1.Vanilla extract can be replaced by Almond essence.
2.If you don't have time to bring butter to room temperature, then thaw/defrost in microwave for 30 to 60 seconds. Do not melt it. It should just become soft to touch.
3.You can just use ⅓ cup sugar, if you want to reduce sugar. It still tastes good.
4.Instead of powdering almonds, you can use ⅓ cup Almond flour.
5.Making equal sized sticks will result in even baking, else smaller sticks might brown/burn/char.
6.Cardamom is optional and you can skip, if you don't like the flavor.
7.Instead of chopped almonds topping, you shall use thin silvered almonds or just powdered almonds, as you wish.