Preheat oven to 175° C.
Place ½ of the diced tomato in casserole dish.
Add steakn on top of tomato and top with minced garlic.
In small bowl, toss the rest of tomato with the oregano, basil, chilli powder, and black pepper. Place on top of steak.
Cover tightly with aluminium foil or with lid.
Bake 45 minutes.