Ingredients

• 1 teaspoon butter
• 1 , 10 ounce
• 9 tablespoons all-purpose flour
• 1 pinch baking powder
• 1 pinch salt
• 1 cup buttermilk
• 3 eggs
• 6 tablespoons white sugar
• 1 teaspoon grated orange zest
• 1 teaspoon vanilla extract
• 1 tablespoon brown sugar , or more to taste

Instructions

1. 1 Preheat the oven to 350 degrees F (175 degrees C). Grease a baking dish with butter.
2. 2 Place a layer of blueberries into the prepared baking dish.
3. 3 Combine flour, baking powder, and salt in a small bowl. Whisk together buttermilk, eggs, and sugar in a large bowl. Add flour mixture to buttermilk mixture and stir until batter is smooth. Mix in vanilla extract and orange zest. Carefully pour over blueberries in the baking dish.
4. 4 Bake in the preheated oven until set, about 30 minutes. Sprinkle with a thin layer of brown sugar. Return to the oven and bake until sugar is lightly browned, 10 to 15 minutes. Serve warm or cold.

Nutrition per serving