Should I add cardamom to a yellow cake mix base or to the buttercream frosting?

I'm using King Arthur Flour's gluten-free cake mix for the first time but want to make it more investing. I'm layering lemon curd in-between but also thought cardamom might be nice.

• Posted by: thepuffin
• February 20, 2015

• 3696 views
• 1 Comment

• Cake
• buttercream