1Cream butter and gradually add sugar creaming well. Add eggs, mashed avocado, lime juice, and vanilla; set aside.
2Combine flour, soda ,baking powder and salt. alternately with the yogurt, beginning and ending with dry ingredients.
Blend well after each addition.
3Use low speed. Stir in nuts.
Pour batter evenly into a 9x5-inch loaf pan, well greased on the bottom and corners.
Bake in 350^ oven for 45-50 minutes, or test done with wooden toothpick, as all ovens bake differently.
Let set in pan for 5 miutes then remove onto wire rack and brush with butter or olive oil on all sides.