PROS
A filling and flavorful sandwich that can be made with leftover roast beef and pantry staples.
The combination of roast beef, blue cheese and caramelised onions is a classic and delicious one.
CONS
This sandwich is high in calories and fat, due to the blue cheese and mayonnaise.
It may not be suitable for those on a low-carb or low-fat diet.
HEALTH & BENEFITS
While this sandwich may not be a health food, it does contain vitamins and minerals from the roast beef and vegetables.
Tomatoes are a good source of vitamin C, potassium and lycopene.
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