Instructions

  1. Grease 18 muffin cups, or line with paper liners.
  2. in a large bowl, mix together flour, sugar, brown sugar, baking powder, baking soda, pecans and oats. Make a well in the center of the mixture.
  3. In a separate bowl, whisk together buttermilk, melted butter and egg.
  4. Pour into well in flour mixture, stir to blend just until dry ingredients are moistened, but do not overmix.
  5. Gently fold in pineapple and coconut.
  6. Spoon batter into prepared muffin cups, filling about 2/3 full.
  7. For topping:
  8. mix together brown sugar, flour, coconut and oats. cut in butter with a pastry cutter till coarse crumbs have formed.
  9. Sprinkle crumb topping over pineapple muffin batter.
  10. Bake muffins at 400 for about 20 minutes, or till tops are lightly browned and firm.
  11. transfer pans to rack to cool for about 5 minutes.
  12. gently turn muffins out onto rack to cool completely.