Cut beef fillet into medium pieces. Heat olive oil in a cooking pot and add meat.
Let it brown on each side for about 5 minutes. Add water to cover meat, also place bay leaves, stir and let it simmer for 30 minutes.
Continue to add water to cover meat. Dissolve 2 tablespoons of corn-starch in a cold water to form a slurry. Add corn-starch slurry, yogurt, spices and garlic into the meat stew, stir continuously in one direction.