Pineapple Coconut Muffins -

Ingredients

• (1 1/3 cups) all-purpose flour
• (1 cup plus 1 Tbsp.) regular oats
• (1 tsp.) baking powder
• (1/2 tsp.) baking soda
• (1/2 tsp.) salt
• (2) ripe bananas, mashed
• (1 cup) low-fat buttermilk
• (1/2 cup) packed brown sugar
• (2 Tbsp.) canola oil
• (1 tsp.) vanilla extract
• (1 large) egg
• (1/2 cup) canned crushed pineapple (in juice), drained
• (1/3 cup plus 2 Tbsp.) flaked sweetened coconut, divided
• (4 Tbsp.) macadamia nuts, finely chopped (3 Tbsp. toasted)
• (1 Tbsp.) granulated sugar