Step 1
Preheat oven to 350 degrees F (175 degrees C). Grease and flour on a 9x5 inch loaf pan.
Step 2
In a medium bowl, dredge blueberries in 2 tablespoons flour. Gently stir blueberries together with oats, nuts, 1 1/2 cups flour, soda, and salt.
Step 3
Cream shortening in a large bowl. Then add sugar gradually, beat until it becomes light and fluffy. Add eggs one at a time, beating well after each addition. Then stir in mashed banana. Add blueberry mixture to creamed mixture, and stir just until moistened. Spoon batter into the prepared pan.
Step 4
Bake for 50 - 55 minutes, or until a wooden toothpick comes out clean when you inserted it in the center of the loaf. Cool in pan for 10 minutes. Take them out from pan, and cool completely on a wire rack.