chocolate cake recipie using only these ingredients:

3 tbsp hot cocoa mix
1 stick of butter
a pinch of salt
all purpose flour
white granulated sugar
brown granulated sugar
eggs
baking soda

preferably, the cake recipie shouldn't require a mixer. it should be easy to make by hand.

Here is a simple chocolate cake recipe using only the ingredients you listed:

Ingredients:
- 1 stick of butter, melted
- 3 tbsp hot cocoa mix
- 1/2 cup white granulated sugar
- 1/4 cup brown granulated sugar
- 2 eggs
- 1 cup all-purpose flour
- 1/4 tsp salt
- 1/2 tsp baking soda

Instructions:
1. Preheat your oven to 350°F (180°C) and grease a 8x8 inch baking dish.
2. In a large mixing bowl, combine the melted butter, hot cocoa mix, white sugar, and brown sugar. Mix until well combined.
3. Add the eggs one at a time, mixing well after each addition.
4. Gradually add the flour, salt, and baking soda to the wet ingredients, mixing until just combined. Be careful not to overmix.
5. Pour the batter into the prepared baking dish and spread it out evenly.
6. Bake in the preheated oven for 25-30 minutes, or until a toothpick inserted into the center comes out clean.
7. Allow the cake to cool before serving. Enjoy your homemade chocolate cake!