Bring a large saucepan of water to the boil (preparation to cook the pasta)
Dice the bacon, slice the onion and crush the garlic cloves. Add to a large frying pan and brown for 6-8 minutes
Add the dried spaghetti pasta to the saucepan of boiling water. Cover and simmer for 10-12 minutes. Drain the water once cooked and add back to the saucepan
Add the chicken stock powder, onion powder, garlic powder, dried parsley and corn flour to a large bowl. Add the cream and whisk with a fork to combine. Pour into the saucepan to coat the pasta, bring to a gentle simmer
Add the green beans to a large saucepan with a small amount of water, cover and simmer for 6-8 minutes. Drain the water once cooked
Add the bacon mixture to the cooked spaghetti pasta and toss to coat evenly