In a medium POT, heat 1/4 cup of oil.
Fry onions over medium-low heat until translucent.
Add garlic and ginger.
Fry for 1-2 minutes until fragrant.
Add tomato paste, 1 tbsp sugar, and Hotpot spices.
Stir-fry for 5 minutes.
Add broth, and salt and sugar to taste.
Mix well. Bring to a boil. Turn off.