- make brown butter, cool slightly - make the crumble, set aside in the fridge - mix the brown butter with sugar, add eggs, orange zest and vanilla - add the wet ingredients to the flour, finish by adding yogurt - mix gently until combined
– pour the batter into a baking sheet - arrange the prepared plums - finish by topping the plums with the crumble - bake at 350F for about 45 min - cool and finish with sprinkle of powdered sugar
- with a scoop of vanilla ice cream - topped with whipped cream - drizzle of honey or maple syrup - serve for breakfast or brunch paired with yogurt or fresh fruit