Step 1

Heat oil in large saute pan over medium high heat.

Step 2

Add peppers onions and mushrooms to the pan and saute to soften, around 5 minutes.

Step 3

Add beef and season with salt, pepper and garlic powder. Saute for 2-3 minutes to begin browning.

Step 4

While beef begins to brown, whisk together corn starch, broth, heavy cream and Worcestershire sauce until well combined. Pour into the pan and mix well.

Step 5

Add pasta to the pan and bring to a boil.

Step 6

Cover and reduce heat to medium. Simmer for 15 minutes stirring periodically.

Step 7

Remove cover and stir in 1/2 cup of cheese.

Step 8

Sprinkle the remaining cheese on top and cover and cook for 5 more minutes to melt the cheese. Serve immediately.