Sift together flour, baking powder and salt. Reserve. In a 2-quart bowl, cream sugar and butter until smooth. Beat in hazelnut butter, eggs, maple syrup, vanilla and maple extract. Mix in mashed bananas in three additions; alternately mix in dry ingredients and milk. Fold in chopped hazelnuts. Divide the batter between two greased 7x4x3-inch loaf pans. Bake in 350 degree oven for 30 to 35 minutes, or until golden and toothpick inserted into the center comes out clean. Cool on rack.
* Oregon Hazelnut Industry and The Hazelnut Marketing Board