2) In a blender, combine the tomatoes, onion flakes, garlic powder, bouillon cube and jalapeno. Process until smooth.
3) Transfer the mixture to a saucepan and set over a medium-high heat. Simmer for 5 minutes. Season, to taste, with salt and black pepper.
4) Transfer the spaghetti to a serving platter and top with the sauce. Sprinkle Parmesan over top. Serve with garlic bread, if desired.