Grease bottoms of a 12-hole muffin pan or line with paper baking cups.
In a bowl, combine flour, baking powder, salt, cinnamon, and cloves.
In a large bowl, combine pumpkin, brown sugar, milk, oil, and eggs. With a spoon, stir until blended.
Add flour mixture and stir until just moistened. Stir in nuts.
Scoop batter into prepared muffin cups to 1/3 full.
Spoon 1/2 teaspoon apricot preserves and 1 teaspoon cream cheese filling on the batter. Top with remaining batter.
Bake in a 400 F oven for about 20 minutes or until golden brown.
Remove muffins immediately from pan and transfer to a wire rack to cool.