01 -
Bring a large pot of salted water to a boil. Add penne pasta and cook until al dente, about 10 minutes. Drain well.
02 -
In a large skillet over medium heat, cook ground beef, diced green bell pepper, and chopped onion until the beef is browned and vegetables are softened, about 7–8 minutes. Drain excess fat.
03 -
Add tomato sauce to the skillet. Stir to combine and let simmer for 3–5 minutes. Add the cooked penne, mix thoroughly, and serve hot.