Ingredients
- 12 roma (plum) tomatoes – peeled, quartered, and seeded
 - 1/4 onion, minced
 - 1/3 cup water
 - 1/2 teaspoon mustard seed
 - 1/3 teaspoon dry mustard powder
 - 1 large clove garlic, minced
 - 1 bay leaf
 - 1/8 teaspoon ground black pepper
 - 1/2 teaspoon soy sauce
 - Salt to taste
 
Directions
Combine tomatoes, onion, water, mustard seed, mustard powder, garlic, bay leaf, and black pepper in a large, heavy pot over medium heat; bring to a simmer and cook for 10 minutes. Stir soy sauce through the tomato mixture; continue cooking another 5 minutes. Season with salt. Remove bay leaf to serve.
