Mussels in Light Broth

Name: Mussels in Light Broth
Ingredients: 2 tablespoons canola oil; 1 tablespoon peeled, finely chopped fresh ginger; 2 garlic cloves, finely chopped; 1 tablespoon cumin seeds (coarsely crushed in a mortar and pestle); 10–12 whole black peppercorns, coarsely crushed in a mortar and pestle; 1/4 teaspoon asafoetida powder; 1 teaspoon kosher salt; 16 ounces canned crushed tomatoes or 2 cups peeled, diced fresh tomatoes; 1/2 cup finely chopped cilantro leaves and stems; 2 pounds fresh mussels; 1 tablespoon Tempered Oil; 2 tablespoons oil; 10–12 curry leaves; 1 teaspoon brown mustard seeds