1.Cook the macaroni according to package instructions until al dente. Reserve 1 cup of pasta water before draining.
2.In a large pan over medium-high heat, add the chopped onion and cook until translucent.
3.Add the minced beef and cook until browned, breaking it into small pieces as it cooks.
4.Add the minced garlic and cook for an additional minute.
5.Stir in the tomato paste, salt, garlic powder, red chili flakes, Cajun seasoning, onion powder, and lemon juice. Cook until the beef is cooked through.
6.Add the mixed bell pepper and cooked carrots. Cook for an additional 2-3 minutes.
7.Stir in the soy sauce and heavy whipping cream. Bring the mixture to a simmer. Add the reserved pasta water and bouillon cube. Stir until the bouillon cube is dissolved.
8.Add the cooked macaroni to the beef mixture, tossing to combine.
9.Add Parmesan cheese and mix.
10.Garnish with fresh parsley and serve hot.