Nasi Briyani (fried rice)

Ingredients

• 2 tbs yogurt, 3.5 % fat
• 1 tbs briyani powder
• 140 g tomatoes
• 2 cloves cinnamon
• 3 pieces cardamon
• 3 cloves garlic
• 1 stalk lemongrass
• 140 g onions
• 1 tbs butter
• 300 g basmati rice
• 2 cups water
• 1 pinch salt