Bring a large saucepan of water to the boil. Add the dried penne pasta and simmer for10-12 minutes. Drain the pasta once cooked
Slice the onion and crush the garlic cloves, add to a large frying pan or saucepan with the sausages and cook until the sausages are cooked in the middle
Add the cooked pasta back to the large saucepan. Add the frozen mixed vegetables, tinned tomatoes, tomato pasta sauce, beef stock powder, garlic powder, onion powder and dried parsley. Stir to combine and gently simmer until the vegetables are cooked and the sauce has simmered down
Taste the pasta and season with salt and pepper
Slice the sausages into chunks and mix through the pasta with the cooked onion and garlic (alternatively, you can serve the sausages on the side)