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1
Position the rack in the lower third of the oven.
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2
Preheat oven to 350 degrees.
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3
Butter and flour an 8 inch square baking pan;set it aside.
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4
Place the butter and BOTH kinds of chocolate in the top of double boiler set over simmering water.
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5
Stir constantly until half the butter and chocolate are melted.
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6
Remove the top part of the double boiler from the pot.
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7
Continue stirring away from the heat until the butter and chocolate are completely melted.
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8
Allow to cool 10 minutes.
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9
In large bowl beat the eggs, egg yolk, and sugar with whisk or electric mixer at medium speed.
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10
Continue beating until the mixture is thick and pale yellow, about 4 to 5 minutes.
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11
Beat in vanilla and chocolate mixture until smooth.
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12
With a wooden spoon or rubber spatula, stir in the flour and salt, just until incorporated, DO NOT BEAT.
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13
Pour into the prepared pan.
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14
spreading gently to all corners.
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15
Bake 30 minutes.
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16
The middle of the brownies will be soft; they will set up as they cool.
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17
Set the pan on wire rack to cool, at least 2 hours.
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18
Cut into 16 squares,they will stay fresh for 5 days.
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19
They can also be sealed in a freezer-safe bag and frozen for up to 3 months.
