Almond-pumkin Muffins With Struesel Topping

• 2 egg whites
• 1 oat bran
• 1 pumkin pie spice
• 250 gr pumpkin
• 220 gr brown sugar
• 130 gr flour
• 80 ml molasses (light)
• 75 gr margarine
• 60 gr almonds (whole)
• 50 gr sugar