Grab the ingredients: Steaks, mushrooms, bell peppers, onions, olive oil and Mac’s Awesome Sauce
Grease a baking dish. Cut green peppers in half and remove core and seeds. Transfer to the dish.
Transfer the bell peppers to a 400F oven for 15-20 mins.
Slice red onions and remove the core and seeds of red bell pepper and slice. Set to the side
Slice sirlion steaks into thin strips. Against the grain
Add olive oil to a hot pan along with the thinly slice steak. Cook 4-5 minutes, flipping half way.
Remove the steak and sit to the side. Add the mushrooms, onions and red pepper to the hot skillet.
Remove peppers from oven and fill each with a big scoop of the steak mixture. Top with sauce.
Transfer bake to the oven for 3 minutes.