In a small pot, add the sliced peaches, brown sugar, cinnamon, nutmeg, cornstarch slurry and water. Bring to a boil and then reduce to a simmer for 10 minutes stirring occasionally.
Preheat the oven to 350°F. Add 1/2 cup of vegan butter to the baking dish and place it in the oven.
While the peaches are being reduced, make the batter. Whisk the dry ingredients together, then add in the soy milk and vanilla and whisk until the batter is smooth.
Now you can remove the baking dish from the oven and pour the batter into the melted butter with a ladle, taking care to not mix the batter and butter together. Try to get even coverage across the dish, especially around the edges in corners.
Add the peach mixture evenly across the baking dish on top of the batter.
Add the sliced bananas to the batter.
Pour the remaining syrup across the top.
Bake for 45 minutes. Wait 20 minutes before serving so it can cool down and set.
Serve with vegan vanilla ice cream for the perfect summer dessert!