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1
Preheat oven to 325F (160C).
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2
Coarsely chop 4 Heath bars.
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3
Finely chop remaining 4 bars.
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4
Reserve separately.
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5
CRUST: IN a food processor, grind cookies into fine crumbs.
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6
Add melted butter and process until mixed.
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7
Press into bottom and about 1 inch up sides of a 9 1/2 inch springform pan.
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8
Sprinkle coarsely chopped Heat bars over crust.
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9
Refrigerate while preparing filling.
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10
FILLING: In a 1-cup glass measure, combine 1/2 cup cream and coffee crystals.
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11
Heat in a microwave oven on HIGH 40 to 60 seconds, or until coffee dissolves when stirred.
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12
Refrigerate until cool, about 15 minutes.
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13
IN a large bowl, beat together cream cheese and sugar with an electric mixer on medium speed until smooth, 1 to 2 minutes.
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14
Beat in 1/2 cup cream, eggs, and vanilla until well mixed, 1 to 2 minutes.
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15
With mixer on low speed, beat in chilled coffee-cream mixture; continue beating 5 minutes.
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16
Turn into prepared crust.
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17
Bake 1 hour and 15 to 20 minutes, or until cheesecake looks set around edges and center still jiggles slightly.
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18
Let cake cool; then refrigerate.
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19
TOPPING: When cake is cool, in top of a double boiler, heat together chocolate chips and remaining 13 cup cream, stirring often, until melted and smooth.
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20
Let cool in refrigerator until slightly thickened.
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21
Spread topping over cheesecake.
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22
Sprinkle finely chopped candy bars on top.
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23
Refrigerate until chocolate layer is set and cake is well chilled, 6 hours.
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24
Run a knife around edge of pan to loosen cake and remove springform side of pan.