Preheat oven to 350 degrees
Line muffin tins with papers or spray with cooking spray. (recipe makes 12 muffins)
In mixer bowl combine pumpkin, sugar, oil, eggs, vanilla & molasses. Beat & blend until smooth.
Add in flour, cinnamon, ginger, pumpkin pie spice, baking soda & salt. Beat slowly until just combined.
Spoon batter into prepared muffin tins.
In a small bowl, combine crumble ingredients & mix well with a fork - sprinkle on top of muffins
Bake muffins for 20-23 minutes or until toothpick test is clean.
Cool on wire rack & then drizzle with glaze before serving