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1
Preheat the oven to 200F (95C).
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2
Set a 9-inch square Pyrex baking dish in the oven to warm.
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3
(Warming the dish will prevent the hot Cheddar mixture from seizing when it is poured into the dish.)
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4
Put the milk and the cheese in a heavy-bottomed pot set over medium heat.
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5
Bring the mixture to a simmer and cook for 5 minutes, until the cheese is melted.
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6
Turn off the heat, cover the pot, and let steep for 20 minutes.
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7
Strain the mixture through a cheesecloth-lined strainer, pressing gently on the solids to extract the milk from the solids.
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8
Discard the solids.
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9
Weigh out 385 grams of Cheddar milk.
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10
Discard any extra.
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11
Put the Cheddar milk, tofu, and salt in a blender.
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12
Puree the mixture until it is silky-smooth.
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13
While the blender is running, sprinkle both gellans into the vortex to evenly disperse the hydrocolloids.
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14
This will take about 30 seconds.
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15
Pour the gellan mixture into a heavy-bottomed pot set over medium heat, stirring to prevent the mixture from sticking to the bottom of the pot.
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16
Continue to cook the mixture, stirring constantly, until it reaches 194F (90C).
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17
At this temperature the gellan will be fully hydrated.
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18
Quickly pour the mixture into the warmed baking dish.
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19
Pour the liquid as quickly as you can without splashing, keeping the flow as smooth and even as possible because the gellan sets rapidly once removed from the heat.
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20
Set the baking dish on the counter and let the Cheddar tofu cool in the dish.
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21
When the tofu is cold, remove it from the dish and trim off any rounded edges.
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22
Cut it into 1/2-inch (1.25-centimeter) cubes and reserve on a baking sheet in the refrigerator until ready to use.
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23
It can be kept, covered, in the refrigerator for up to 3 days.