Place large 12 inch skillet over medium high heat. Add lean ground beef and cook and crumble until brown. Drain fat if neccessary.
Mix together garlic powder, seasoning salt, dried thyme and cracked black pepper in a small bowl.
Add HALF your seasoning mix to the ground beef, stirring to combine.
Set aside seasoned ground beef in a bowl, and return skillet to heat.
Add in your olive oil. Once pan is hot, add mushrooms, onions and bell peppers. Saute for 5-7 minutes or until liquid is released and cooked off.
Add in the rest of the spices and stir well.
Add in the cooked beef.
In a small bowl, mix together Worcestershire sauce, beef broth, and cornstarch.
Pour into the pan and simmer for 2-3 minutes until the sauce starts to thicken.
Add in the banana peppers and give everything a good mix.
Taste and adjust seasoning to your taste by adding more seasoning salt or Worcestershire sauce if desired.
Pour into a 8x12 baking pan.
Top with slices of provolone and bake at 350 degrees for 10-15 minutes or until cheese is melted and sauce is thickened. Let stand for 5 minutes before serving.
Serve with a green salad, or scoop onto toasted hoagie rolls for a heartier meal.
NOTE
Nutrition information for this recipe is provided below. For more information on the nutrition facts provided on this site, please visit our nutrition disclaimer.