Best Apple Cinnamon Muffins Recipe - How to Make Apple Cinnamon Muffins

Ingredients

• 2 c. all-purpose flour
• 1 tsp. ground cinnamon
• 1 tsp. baking powder
• 1/2 tsp. baking soda
• 1/2 tsp. kosher salt
• 1/2 c. (1 stick) unsalted butter, softened
• 1/4 c. granulated sugar
• 1/4 c. packed brown sugar
• 1 large egg
• 1 tsp. pure vanilla extract
• 1 c. milk, preferably whole
• 1 large Granny Smith apple, peeled, cored, and chopped
• 1/2 c. (1 stick) unsalted butter, melted and cooled slightly
• 2 tbsp. granulated sugar
• 1 1/2 tsp. ground cinnamon
• Pinch kosher salt
• 1 c. plus 2 tbsp. all-purpose flour