For the streusel:

• 1/2 cup of walnut pieces
• 3 Tbsp. light brown sugar
• 1/3 cup sugar
• 3 Tbsp flour
• 1 tsp. pumpkin pie spice (or ¼ tsp. each of cinnamon, ginger, nutmeg and cloves)
• 2 Tbsp. butter, softened

For the muffins:

• 3 large eggs, room temperature
• 1/3 cup espresso or good strong coffee (room temp)
• 2 tsp. vanilla
• ¼ cup Crosby’s Fancy Molasses
• ¾ cup oil
• 1 cup pumpkin puree (not pumpkin pie filling)
• 2 ½ cups all-purpose flour, spooned in
• 1 ¼ cups granulated sugar
• 2 tsp. pumpkin pie spice (or 1 tsp. cinnamon, ½ tsp. ginger, ¼ tsp. each of cloves and nutmeg)
• 1 tsp. baking soda
• 1 tsp. baking powder