This is a staple in our house! It never disappoints!

8 ounces spaghetti
2 tablespoons butter
1/3 cup grated Parmesan cheese
2 large eggs, beaten
1 pound ground beef
1 small onion, chopped
1 bell pepper, chopped
2 cloves garlic, minced
1 can (15 ounces) tomato sauce
1 teaspoon dried oregano
1 teaspoon dried basil
Salt and pepper to taste
1 cup shredded mozzarella cheese