How to make Chocolate/Green Tea Sauce:

1. Combine all ingredients except the cornstarch and water. Cook until boiling (use cocoa powder for chocolate sauce and green tea powder for green tea sauce).
2. Add the cornstarch that has been dissolved in water, stir and cook until it boils again.
3. Remove from heat and let it cool

How to make Caramel Sauce:

1. Cook palm sugar, butter, heavy cream, and sweetened condensed milk until thickened. Remove from heat and let it cool.

How to make Churros:

1. Cook granulated sugar, butter, salt, and water until boiling. Turn off the heat.
2. Add Soka flour, cornstarch, and vanilla, mix until well combined, then turn the heat back on to low. Stir until the dough pulls away from the sides of the pan. Remove from heat and let it cool.
3. Add the eggs, mixing briefly with a mixer until well incorporated.
4. Transfer the dough into a piping bag with a desired nozzle.
5. Pipe the dough into the desired length and fry immediately in preheated oil.
6. Remove and, while still hot, sprinkle with the topping ingredients.
7. Serve with the prepared sauces.

Yields approximately 30 pieces.