01 - Set oven to 375°F.
02 - Cook egg noodles in a saucepan following package directions. Drain and set aside.
03 - In a large skillet over medium heat, cook ground beef until browned. Drain excess fat.
04 - Add diced onion, minced garlic, and diced bell pepper to the skillet. Sauté for 3 to 4 minutes until vegetables are softened.
05 - Add tomato sauce, diced tomatoes with their juice, beef broth, dried oregano, dried basil, salt, and black pepper. Stir well and simmer for 5 minutes.
06 - Remove skillet from heat. Fold in cooked noodles and sour cream until mixture is uniformly combined.
07 - Spoon mixture into a 9x13-inch baking dish, spreading evenly. Top with shredded cheddar cheese.
08 - Bake uncovered for 20 to 25 minutes until bubbling and cheese is melted.
09 - Garnish with chopped fresh parsley before serving, if desired.