Moist Pumpkin Spice Muffins (With Cream Cheese Frosting) - Fill Your Plate

Ingredients

• 1 c. all-purpose flour
• 1/2 c. sugar
• 2 tsp. baking powder
• 1 1/2 tsp. cinnamon
• 1/4 tsp. ground ginger
• 1/2 tsp. nutmeg
• 1/2 tsp. salt
• 4 tbsp. butter, cut into pieces
• 1 c. (heaping) pumpkin puree
• 1/2 c. evaporated milk
• 1 whole egg
• 1 1/2 tsp. vanilla
• 1/2 c. golden raisins (optional)