Preheat oven to 350 degrees. Grease a 5x9-inch loaf pan. Set aside.
Toss berries in 1/4 cup of the all-purpose flour. Set aside.
Cream together sugar and shortening in a large mixing bowl.
In a separate bowl, whisk together milk, egg and extract.
In a separate bowl, Stir together remaining all-purpose flour, whole wheat flour, pecan flour and baking powder.
Alternate adding liquid and flours to the creamed sugar to form a thick batter. Fold in berries and any remaining flour.
Pour batter into pan. Dot down the center with fresh strawberry slices. Bake at 350 for approximately 60 minutes until an inserted toothpick comes out clean.
Cool bread in pan for at least 30 minutes before removing bread. Allow bread to completely cool on rack before slicing.