01 -
Heat up the oven to 350°F (176°C). Grease a 23 x 13 cm loaf pan well and set it aside.
02 -
Combine the flour, baking soda, and salt in a large mixing bowl. Set aside.
03 -
Mash bananas in a medium bowl. Add sugar, brown sugar, eggs, Greek yogurt, and vanilla. Mix everything together thoroughly.
04 -
Stir the apple slices and walnuts into the wet mixture.
05 -
Pour the wet ingredients into the dry ones, blending until your batter is smooth and even.
06 -
Pour the batter into the greased loaf pan. Bake for 1 hour or until a toothpick comes out clean when inserted.