Instructions

Walnut Crumbles:

1. Add walnuts to a food processor, pulse until they become fine. About 1 minute.
2. Add the walnuts, flour, and sugar to a large mixing bowl.
3. Cut the cold butter into cubes.
4. Using your clean hands, work in butter pieces to the dry mix until large clumps form. 

For the bread:

1. Using a handheld mixer, cream together butter, sugar, and vanilla until fluffy.
2. Add eggs and bananas, then continue to mixing for about two minutes on low speed.
3. In a separate bowl, sift together flour, baking soda and salt. 
4. Add the wet ingredients to the dry ingredients. 
5. Gently fold in the blueberries.
6. Pour the batter into a greased and floured loaf pan.
7. Bake at 350° 45-50 minutes.