– 2 large eggs – 1 ½ cups granulated sugar – 1 cup salted butter melted – ¼ cup fresh lemon juice – Zest of 1 lemon about 1 teaspoon – 1 teaspoon vanilla extract – 1 teaspoon lemon extract or 3-4 drops of lemon oil – 2 ¼ cups all-purpose flour – 1 ½ teaspoons baking powder – 1 ½ cups fresh blueberries