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1
BROWNIES: Preheat oven to 350.
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2
Butter and flour a 17x11-1/2x1 baking sheet.
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3
Whisk flour and cocoa in a medium bowl; set aside.
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4
Using a mixer, beat sugar, shortening, corn syrup, vanilla, and salt in a large bowl.
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5
Beat in eggs.
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6
Add flour mixture and beat just enough to blend.
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7
Spread to edges in prepared baking sheet.
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8
Bake until tester inserted in center comes out with a few moist crumbs attached (about 23 minutes).
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9
Cool completely on a rack.
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10
TOPPING: In a large saucepan over medium heat, stir together the half-n-half, sugar, butter, yolks, and vanilla until mixture thickens (about 180 degrees).
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11
Stir constantly for about 15 minutes.
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12
Do not allow to boil.
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13
Fold coconut and pecans into topping.
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14
Chill one hour then spread over brownies.