Mocha Oatmeal Muffins - Chew Nibble Nosh

Ingredients

• 1 1/2 cups all-purpose flour
• 1/3 cup cocoa powder, sifted
• 1 cup packed, light brown sugar
• 1 tsp. baking soda
• 1/2 tsp. baking powder
• 1 1/4 tsp. fine sea salt (or regular table salt is fine)
• 1/2 tsp. ground cinnamon
• 1 1/4 cups quick cooking oats, plus extra for sprinkling
• 4 large eggs
• 1 1/2 sticks of unsalted butter, melted
• 1 cup low-fat buttermilk
• 1/2 cup freshly brewed strong coffee
• 1 tsp. pure vanilla extract
• 1 cup mini semisweet chocolate chips
• Turbinado sugar for sprinkling