Zesty Blueberry Orange Crumb Cake: A Burst of Citrus Sunshine! | True Citrus

Ingredients

• 1/2 c <p>butter, softened</p>
• 1 c <p>sugar</p>
• 5 True Orange
• 2 <p>eggs</p>
• 1.5 tsp <p>vanilla extract</p>
• 2 c <p>buttermilk</p>
• 4 c <p>pastry or all-purpose flour</p>
• 1 tbsp <p>baking powder</p>
• 1 tsp <p>baking soda</p>
• 1 tsp <p>salt</p>
• 1 pt <p>fresh blueberries, or 2 cups frozen blueberries (rinsed and drained)</p>