TIP# 1 - You can substitute any flavor cake mix for the Devil's Food.
TIP # 2 - May also add 2-3 teaspoons additional mix-ins like finely chopped nuts or dried fruit, or mini chocolate chips for additional flavor. Please note that adding these additional ingredients will raise the caloric value.
Chocolate Angel Food Mug Cake https://www.thegratefulgirlcooks.com/chocolate-angel-food-mug-cake/