Hazelnut Shortbread

• 95 in a mixing bowl
• 2 on ungreased baking (apart)
• 1/2 rolls
• 250 gr all purpose flour
• 230 gr butter
• 170 gr hazelnuts (finely chopped)
• 120 gr semisweet chocolate chips
• 100 gr sugar
• 40 gr maple syrup
• 9 gr vanilla extract