Cinnamon Hazelnut Biscotti

3/4 cup butter, 

1 cup white sugar,

 2 eggs, 

1 1/2 tsp vanilla extract,

 2 1/2 cups flour,

 1 tsp cinnamon,

 3/4 tsp baking powder,

 1/2 tsp salt, 

1 cup hazelnuts

Oven to 350F. Line cookie sheet with parchment paper.

In med. bowl, cream together butter and sugar. Beat in eggs and vanilla. Sift together flour, cinnamon, baking powder and salt. Mix into egg mix. Stir in hazelnuts. Shape dough into two equal logs approx. 12 in. long. Place logs onto baking sheet and flatten out to about 1/2 in. thickness. Bake for about 30 min in preheated oven or til edges golden and center firm. Remove from oven to cool. When loaves cool, use knife to slice diagonally into 1/2 in thick slices. Return slices to baking sheet and bake additional 10 min, turning once. Cool completely.