Bailey's Irish Cream Balls

3 cups Nilla wafers; finely crushed
1 cup Pecans; chopped
3/4 cup Powdered sugar
1/2 cup Bailey's Irish Cream
3 Tablespoons Light corn syrup
1 1/2 Teaspoons Unsweetened cocoa

Combine all ingredients in a bowl and mix with a wooden spoon until well blended. Allow to stand 5 minutes. Shape mixture into 1-inch balls. Roll balls in powdered sugar. Allow to dry on wire rack 1 hour. Roll in powdered sugar again if desired. Store in airtight container between layers of wax paper.