I saw this recipe on Facebook. We enjoyed the cake, it makes a small 8X8". The link to the recipe:
https://iambaker.net/depression-cake/
The only thing I would change in this recipe, I will add espresso powder, about 1/2 to 1 tsp.
Chocolate Depression Cake with Chocolate Frosting
Ingredients
Chocolate Cake
1 1/2 cups all purpose flour
1 cup sugar
1/4 cup unsweetened cocoa powder
1/2 to 1 tsp. espresso powder, my addition
1/2 tsp. salt
1 tsp. baking soda
1 tsp. vanilla extract
1 tsp. white vinegar
1/3 cup vegetable oil
1 cup water
Frosting
3 tbsp. unsalted butter, softened
3 tbsp. unsweetened cocoa powder
1/2 tsp. espresso powder
1 tbsp. honey
1 tsp. vanilla extract
1 cup icing sugar
3 tbsp. milk or cream
Round sprinkles on top
Directions
Preheat oven 350F
Chocolate Cake
In large bowl, combine flour, sugar, cocoa powder, espresso powder, salt, and baking soda. Whisk to combine.
Add vanilla, vinegar, oil and water to dry ingredients and stir with whisk until ingredients are fully combined.
Pour into prepared (greased or parchment lined) 8 X 8" pan and bake for 30 to 35 minutes. When a toothpick inserted comes out with a few crumbs. Let cool while you make frosting.
Frosting
With mixer combine butter, cocoa, espresso powder, honey, vanilla, and icing sugar.
Turn mixer on low and combine for about 30 seconds.
Slowly add milk 1 tbsp at a time, until you reach the desired consistency.
Spread over cooled cake.
I added round sprinkles on top.