chicken satay

Ingredients

• 1 tablespoon coriander seed - toasted and grind
• 1 teaspoon cumin seed - toasted and grind
• 1/2 - large yellow onion
• 6 cloves garlic
• 1 - inch fresh ginger
• 1/4 - inch fresh galangal
• 2 stalks lemon grass
• 1 tablespoon turmeric, ground
• 4 tablespoons brown sugar
• 1 cup sweet soya sauce
• 4 tablespoons cooking oil
• 4 - fresh tomatoes
• 6 pounds chicken breast cut into 1-inch cubes
• 1 teaspoon salt
• - bamboo skewer soaked overnight