Blueberry Buttermilk Cinnamon Muffins

Ingredients

• 2 1/2 cups flour
• 3 tsp. baking powder
• 1 tsp. cinnamon
• 1/2 tsp. salt
• 1/2 cup unsalted butter, softened (8 Tbsp.)
• 1/2 cup brown sugar
• 1/2 cup buttermilk (or milk)
• 1/4 cup maple syrup (or honey)
• 1/4 cup coconut oil, melted (or vegetable oil)
• 2 large eggs
• 1 tsp. vanilla
• 1 cup fresh blueberries (tossed in 1 Tbsp. flour)
• 1/3 cup granulated sugar
• 1 Tbsp. cinnamon