I've found a couple more recipes that I may try for the fair.
Chocolate Peanut Butter Cake. (I've made this before and my family said it was top notch. I have my own recipe for this.)
Hot Chocolate Cake.
https://thecakeblog.com/2016/12/hot-chocolate-cake.html
Hazelnut Latte Cake.
https://maverickbaking.com/hazelnut-latte-cake/
I'm still into a simple, Lemon Cake. I'm going to try out this recipe this week.
https://www.wellplated.com/lemon-layer-cake/