Glazed Lemon Muffins – Brownie Mischief

Ingredients

• 2 1/4 cups (288g) all purpose flour, sifted
• 2 teaspoons baking powder
• 1/2 teaspoon baking soda
• 1/2 teaspoon fine sea salt
• 3/4 cup (170g) unsalted butter, softened
• 1 cup (198g) sugar
• Zest of 2 medium lemons
• 2 large eggs, room temperature
• 1/2 teaspoon pure vanilla extract
• 1/2 teaspoon pure lemon extract
• 1 cup (8 oz or 227g) sour cream, room temperature
• 1 cup (120g) powdered sugar, sifted
• 1 tablespoon (14g) melted butter
• 2-3 tablespoons (15-45ml) fresh lemon juice