01 -
1 lb beef sirloin steak, thinly sliced
02 -
2 tbsp olive oil
03 -
1 small onion, chopped
04 -
3 cloves garlic, minced
05 -
1 red bell pepper, sliced
06 -
1 green bell pepper, sliced
07 -
1 can (14.5 oz) diced tomatoes, undrained
08 -
2 cups beef broth (low sodium)
09 -
2 cups penne pasta (uncooked)
10 -
1 tsp Italian seasoning
11 -
1/2 tsp red pepper flakes (optional for heat)
12 -
Salt and black pepper to taste
13 -
1 cup shredded mozzarella cheese
14 -
1/4 cup grated Parmesan cheese
15 -
Fresh parsley for garnish (optional)