-
Preheat the oven to 350 degrees F and grease a standard loaf pan or line it with parchment paper.
-
Dice the peaches and toss in the flour and set aside.
-
In a large bowl, whisk together the flour, baking powder, baking soda, cinnamon, ginger, and salt.
-
In another bowl, whisk together the sugar, eggs, oil, vanilla, sourdough discard, Greek yogurt, and milk until smooth.
-
Add the wet ingredients to the dry and stir a few times, then gently fold in the floured peaches. Mix just until combined. Be careful not to over-mix as this result in a tough bread.
-
Pour the batter into the loaf pan and set aside to make the crumble.
-
How to make the crumble: mix the melted butter, sugar, flour, and cinnamon with a fork until crumbly. If it is too wet, add a little more flour. The crumble can be chilled until ready to use as well.
-
Sprinkle the crumble over the batter and bake for 55-65 minutes or until a toothpick inserted comes out clean or with just a few crumbs. Tent with foil halfway through if browning to quickly.
-
Allow sourdough peach bread to cool in the pan for 15-20 minutes before transferring to a wire rack to completely cool.
-
Optional: Whisk together powdered sugar and milk to make a simple glaze, then drizzle it over the sourdough peach bread for a sweet finishing touch. Slice and enjoy!
-
Storage: Store the sourdough peach bread in an airtight container at room temperature for up to 2 days, or in the refrigerator for up to 5 days. For longer storage, wrap tightly and freeze for up to 2 months.