01 - 
                Warm cooking oil in a big pan over medium-high flame. Toss in peppers, onions, and mushrooms until they soften, roughly 5 minutes.
              
              
              
                02 - 
                Toss meat strips into the veggie mix and sprinkle with salt, pepper, and garlic powder. Let it brown for 2-3 minutes.
              
              
              
                03 - 
                Blend thickening powder, meat stock, thick cream, and brown sauce until it's smooth. Pour this mix into your pan.
              
              
              
                04 - 
                Throw in pasta, wait for bubbling. Turn down heat, put the lid on, and let it simmer 15 minutes, giving it a stir now and then.
              
              
              
                05 - 
                Mix in 1/2 cup grated cheese, then scatter the rest on top. Cover and wait 5 minutes till it's all melty.