Preheat oven to 350 degrees. Bake pecans in a single layer in a shallow pan 8 to 10 minutes or until toasted and fragrant.
Stir together sugar and corn syrup in a medium bowl. Stir in pecans, eggs, and next 3 ingredients.
Spoon about 1 heaping teaspooonful pecan mixture into each pastry shell, and place on 2 large baking sheets.
Bake at 350 degrees for 20 to 22 minutes or until set. Remove to wire racks, and let cool completely about 30 minutes. Store in an airtight container for up to 3 days.
For Mini Pecan Pies: Substitute 1 1/2 8 ounce packages frozen tart shells for frozen mini pastry shells. Prepare recipe as directed through step 2. Spoon about 1/4 cup pecan mixture into each tart shell. Place tart shells on a large baking sheet. Proceed with recipe as directed in step 4 increasing baking time to 25 to 30 minutes ur until set. Makes 1 dozen.