In a mixing bowl, sieve and add all the dry ingredients. In another bowl, cream the sugar and oil until the sugar dissolves. Add vanilla extract and mix until smooth.
Add the flour mixture to this in three parts, stirring well until just combined after each addition.
Add the flour mixture to this in three parts, stirring well until just combined after each addition. Crush Ferrero rocher chocolates in a grinder. Add this to the mixing bowl.
Line a cookie tray with parchment paper and place tablespoon-sized balls of dough evenly onto the prepared baking sheet. Bake for 15 minutes.
Allow to cool then, if you'd like, sprinkle with extra sugar before enjoying!
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