Boiled Egg Sambal (Malay-style Sambal Telur)

Name: Boiled Egg Sambal (Malay-style Sambal Telur)
Prep time: 10 min
Cook time: 20 min
Total time: 30 min
Cuisine: Asian, Indian
Ingredients: 2 tbsp light cooking oil; 2-3 large garlic cloves (finely chopped); 1 medium onion (finely chopped); 1/2 tsp red chilli powder; 1/4 tsp turmeric powder; 1/2 tsp coriander powder; salt (to taste); 1 tbsp tomato paste; 2 medium tomatoes (finely chopped); 1 tsp tamarind paste; 6 large boiled eggs (peeled and cut in half length-wise )