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1
Combine flour, sugar, baking powder and salt in food processor; process to combine.
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2
In glass measuring cup, stir together remaining ingredients, except nuts and milk.
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3
With machine running, add liquids to flour mixture; process until just combined.
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4
Add nuts; pulse to distribute evenly.
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5
Transfer to an oblong storage container; cover and chill several hours or overnight.
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6
Invert container on flour-dusted board; remove dough.
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7
Cut dough in half down the middle.
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8
With flour dusted hands, pat each half into a log about 3 to 12 inches.
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9
Transfer to separate baking sheets that have been coated with nonstick cooking spray.
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10
Brush tops lightly with milk.
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11
Bake in preheated 350-degree oven 20 to 24 minutes, until firm and light brown.
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12
Remove from oven, cool on pans 2 minutes.
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13
With two large spatulas, transfer to cutting board; cool about 4 to 6 minutes longer.
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14
Reduce oven to 325F (160C).
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15
Using gently sawing motion with serrated knife, cut logs into 1/2-inch thick slices.
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16
Place cut side down on ungreased baking sheet.
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17
Return to oven and bake 10 to 12 minutes per side, until crisp and dry.
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18
Cool on wire racks.
