Preheat the oven to 375°F. Line a muffin pan with liners or spray with nonstick spray.
Whisk 1 3/4 flour, 200 g sugar, 2 teaspoons pumpkin spice, 1 teaspoon cinnamon, 1 teaspoon baking soda, 1 teaspoon baking powder, and 3/4 teaspoon salt in a large bowl.
Stir in 1 1/4 cup pumpkin, 1/2 cup coconut oil, 2 eggs, and 2 teaspoons vanilla. Mix just until combined. Do not overmix.
Add the batter to the prepared muffin pan using a large cookie or ice cream scoop. Fill the liners 3/4 of the way full.
Beat 8 ounces cream cheese, 1/4 cup sugar, 1 egg yolk and 1 teaspoon vanilla in a bowl. Mix until smooth. Add 1 Tablespoon of cream cheese to the top of the muffins and swirl it in the batter with a toothpick.
Bake for 20 minutes, or until a toothpick comes clean. Remove from oven and allow to cool on a cooling rack.
Notes
Oil: You can also sub in apple sauce (l like to do half applesauce and half oil). Storage: Store the muffins in an airtight container for up to 3 days for freeze for up to 3 months.