Cut fish fillet into 1 inch pieces and add into a bowl
Add 3 tbsp olive oil and rest of the ingredients in bowl. Marinate fish well
Rest aside for 1 hour
Preheat grill to medium heat or alternatively heat grill pan
Grease the grill pan with olive oil if using it
Grill fish fillet for 10 minutes turning occassionally brushing tops with olive oil
Once it turns opaque and flaky, switch off
Serve hot. This is plain fish fillet, you can use veggies like onions, bell peppers and cherry tomatoes too for additional taste