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1
Cook frozen mixed berries and 6 tablespoons sugar in heavy medium saucepan over medium
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2
heat until mixture resembles jam and is reduced to about 1 cup.
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3
Strain syrup from frozen raspberries through a sieve set over a bowl, pressing gently on solids.
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4
Discard solids.
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5
Add raspberry liquour to bowl.
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6
Using a springform pan, trim ladyfingers to fit, if needed, against sides.
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7
Dip ladyfingers quickly in syrup and place rounded side up against side of springform pan.
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8
Repeat with as many ladyfingers as needed to cover the bottom of pan.
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9
In bowl, whisk mascarpone with 6 tablespoons
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10
sugar and vanilla to blend; set aside.
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11
Thinly slice enough strawberries to measure 1/2 cup.
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12
Gently spread half of jam mixture over bottom layer of ladyfingers.
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13
Spoon half of mascarpone mixture over; smooth top.
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14
Sprinkle with sliced strawberries, 1/2 cup
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15
raspberries, and 1/2 cup blueberries.
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16
Dip more ladyfingers in syrup, arrange over fruit in pan.
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17
Gently spread remaining jam mixture over ladyfingers.
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18
Spoon remaining mascarpone mixture over the jam mixture, smooth top.
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19
Cover and chill at least 6 hours or overnight.
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20
Release pan sides.
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21
Transfer cake to platter.
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22
Arrange remaining fresh berries decoratively on top and serve.