Lemon Blueberry Muffins

Ingredients

• 2 cups all-purpose flour (sifted)
• 2 tsp baking powder
• 1/2 tsp baking soda
• 1/2 tsp salt
• 1/2 cup unsalted butter (melted and slightly cooled)
• 3/4 cup granulated sugar
• 2 large eggs (room temperature)
• 1 cup Greek yogurt (or sour cream)
• 1/4 cup fresh lemon juice
• 1 tbsp lemon zest
• 1 tsp vanilla extract
• 1 1/4 cups fresh or frozen blueberries (if using frozen, do not thaw)
• 1 tbsp all-purpose flour (for coating the blueberries)
• 2 tbsp granulated sugar
• 1/2 tsp lemon zest