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1
Trim the courgette and grate it coarsely onto a board, then tip it into a large mixing bowl.
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2
Peel the onion and grate it coarsely, then add this to the bowl with the courgette.
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3
Put the minced beef, garlic, oregano, basil and tomato paste or puree into the same bowl and season well with salt and pepper.
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4
Mix with clean hands until everything is thoroughly combined.
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5
Divide the mince mixture into 4 evenly sized balls and flatten each into a patty shape about 2cm thick.
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6
Brush the oil over a large non-stick frying pan and place over a low heat.
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7
Fry the burgers gently for about 10 minutes or until nicely browned and cooked through, turning them halfway through the cooking time.
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8
Preheat the grill to its hottest setting.
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9
While the burgers are cooking, cut the ciabatta rolls in half horizontally and place them on a grill pan, cut side up.
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10
Cook under the preheated grill until lightly toasted.
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11
Remove from the heat and take the bread off the tray and put it to one side.
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12
Place the hot burgers on the tray and top each one with a slice of mozzarella.
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13
Put the tray back under the grill for another 1-2 minutes or until the mozzarella has melted.
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14
Put the bottom half of each roll on a plate and top with sliced tomatoes and basil leaves.
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15
Add a dribble of balsamic vinegar and some black pepper.
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16
Add a sizzling hot burger, top with the remaining bread and serve right away.
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17
Fantastic!
