Steak, Mushroom & Onion Burgers
1 loaf garlic & olive oil sourdough (540g) Olive oil cooking spray 3 teaspoons pepper steak seasoning 2 x 225g beef sirloin steaks, trimmed ¼ cup olive oil 200g cup mushrooms, thinly sliced 1 large onion, halved, thinly sliced 2 tablespoons barbecue sauce 1 tablespoon Worcestershire sauce Baby rocket leaves and bottled Ranch salad dressing, to serve
