Cook the pasta according to the instructions on the packet.
For the last 4 minutes, add the frozen peas.
Drain the water from the pasta and return to the pot.
Add the cream cheese, natural yogurt and ham and mix until thick and creamy.
Split the mixture into lunch bowls and top with grated Cheddar.
This can be served warm or cold so is great for packed lunches.
It will keep in an airtight container for up to fours days in the fridge.