Tuna Curry - cooking recipe

Ingredients

1 teaspoon turmeric
1 cup water
1 lb tuna, in 2 inch cubes
sea salt
1 tablespoon coconut oil or 1 tablespoon vegetable oil
3 cloves garlic, chopped
2 teaspoons chopped ginger
1 teaspoon black mustard seeds
2 tomatoes, sliced
2 shallots, thinly sliced
2 long green chilies, sliced in half and seeded
1 cup coconut milk
2 teaspoons tamarind paste, to taste

Preparation

In a medium saucepan mix turmeric in 1 cup water.
Add tuna, and season with salt.
Place over medium-low heat, and bring to a simmer.
Cook for 2 minutes, turning tuna cubes once.
Remove from heat.
Place a large saute pan over medium heat, and add oil.
When it shimmers, add garlic, ginger and mustard seeds.
Cook for 2 minutes.
Add tomatoes, shallots and chilies; cook for 1 minute.
Add tuna, about 1/3 cup of its cooking water, coconut milk, tamarind and salt to taste.
Stir to dissolve tamarind.
Simmer, covered, until sauce has blended and thickened slightly, 8 to 10 minutes.