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1
Put the sugar in a heavy pan or small pot.
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2
Add half the lemon juice and 1/2 cup water.
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3
Cook over low heat, stirring, until the sugar has dissolved.
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4
Increase heat and bring to a boil, stirring constantly for 2-3 minutes until the syrup is clear.
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5
Set aside and let cool.
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6
Slice the top off 4 oranges to make 'hats' (no more than a quarter of the orange).
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7
Scoop out the flesh from both parts into a bowl.
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8
Place the hollowed-out oranges into the freezer.
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9
Grate the rind of the fifth orange and place the zest in the sugar syrup.
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10
Juice the fifth orange into a second bowl.
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11
Squeeze the juice out of the the flesh from the first four oranges into the bowl.
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12
(I did this by putting the pulp into a sieve and pressing it with the back of a wooden spoon).
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13
You should have 3 cups of juice - add more orange juice if necessary.
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14
Add this to the syrup/zest.
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15
Add the remaining lemon juice and adjust with further lemon juice or sugar to taste.
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16
Pour this mixture into a shallow container and freeze for 3 hours.
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17
At this point, the mixture should not be frozen solid.
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18
Use a fork or whisk to break up the ice to give a slushy mixture.
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19
Freeze for another 3-4 hours.
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20
When ready to serve, pack the ice mixture into the oranges and top with the hats.
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21
Use a toothpick to pin a bay leaf or flower to the top of each hat.
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22
Serve immediately.