Whilst the potatoes are boiling, start making the beef mixture for the cottage pie
Add olive oil to a saucepan and put it on high heat
Whilst the olive oil is heating up, finely chop up the white onions, carrots, red peppers and snap peas
Once the olive oil is sizzling in the saucepan, add in the white onions and let them sit by themselves until they are a nice golden brown colour
Next, add in the chopped carrots, red peppers and snap peas
Add in the mince beef and wait until it is a nice brown colour – this should take approximately 15-20 minutes.
Once the beef is fully cooked, add in the tomato paste, cherry tomatoes, Worcestershire sauce, beef stock mixture and sweet corn (including the water from the sweet corn can for some sweetness).