Directions
Make sure that all the ingredients are at room temperature. Using a paddle attachment, cream sugar and butter on speed 8 for 30 seconds, scrape and mix for 1 minute. Scrape the bowl, add eggs and beat for 1 min on high speed. Scrape the bowl, add heavy cream and continue to mix for 1 minute on medium high speed. Add flour, baking powder salt and cinnamon, mix for 30 seconds, scrape and mix for 30 seconds. Fold in Hazelnuts. Scoop the dough into a muffin liner and fill it to the rim. Bake at 350 F for 22 minutes in convection oven.