Quick quarter-pounders
Some good quality mince, a slice of tomato, some mayo, a bit of onion and a toasted bun equals burger perfection in our eyes
Make the dressing by whisking the mustard, vinegar and oil together, along with 1tsp water. Season well.
Place the salad leaves and avocado chunks in a large bowl, then use your hands to toss the dressing through. Add the croutons just before serving so they stay nice and crisp.