Lemon Blueberry Pancakes

Ingredients

• 2 cups all-purpose flour
• 1/4 cup granulated sugar
• 1 tsp. baking soda
• 1 tsp. baking powder
• 1/2 tsp. salt
• 2 large eggs, yolks and whites separated
• 1 1/2 cups buttermilk
• 1/4 cup whole milk
• 2 tsp. lemon zest (or more for more lemon-y flavor!)
• 1/4 cup fresh lemon juice
• 1 tsp. vanilla extract
• 1/4 cup butter, divided
• 2 cups blueberries
• 1 cup maple syrup
• 2 Tbsp. butter
• 1 Tbsp. cornstarch + 1 Tbsp. water
• 1 tsp. lemon juice