Blueberry Cake with Streusel Topping | Red Barn Market

Ingredients

• 2 large eggs, beaten
• ¾ cup granulated sugar
• ½ cup olive oil
• ½ cup Greek yogurt
• 2 tsp vanilla extract
• 1 tbsp citrus zest (lemon or orange, optional)
• 1½ cups all-purpose flour
• ¾ tsp baking powder
• ½ tsp baking soda
• Pinch of salt
• 1½ cups fresh blueberries
• 3 tbsp unsalted butter, melted
• ¼ cup granulated sugar
• ½ cup all-purpose flour
• 1 tsp citrus zest (optional)