Preheat oven to 350 degree F. Grease and flour a 9 by 5-inch bread pan.

In a medium bowl mix the pecans, flour, brown sugar, and oats mix together. Add the butter and toss until well blended. Add in the apples and toss until mixed well.

In a large bowl sift together the flour, sugar, baking powder, baking soda, and salt. In another bowl mix together the yogurt, eggs, butter, and butter. Pour the mixture into the dry ingredients.

With a electric mixer mix until well blended.

Pour half of the mixture into the prepared bread pan. Sprinkle half of the streusel over top of the batter. Careful spread the rest of the batter over the streusel. Sprinkle the rest of the streusel over the top of the bread.

Place the bread in the oven for 45 to 50 minutes or until a toothpick inserted comes out clean. Remove from oven and set on cooling rack. After 5 minutes remove the bread from the pan and continue to cool on the cooling rack.