Preheat oven to 350. Spray a 9x13-inch baking dish with nonstick cooking spray and set aside.
In a Kitchenaid mixing bowl, beat butter, sugar, brown sugar, vanilla, and molasses on medium speed until creamy.
1/2 Cup Butter, 3/4 Cup Sugar, 1/4 Cup Brown Sugar, 1/2 teaspoon Vanilla, 1/3 Cup Molasses
Add the egg and stir until completely incorporated. Add baking soda, flour, spices, and salt and mix until well combined. Press dough into prepared pan. Bake for 13-15 minutes; do not over-bake! Cool in a pan with a wire rack.
When bars have cooled, frost with cream cheese frosting and sprinkles.
Sprinkles
For the frosting: Cream together the butter and cream cheese. Add the powdered sugar and vanilla. Slowly mix on low and then beat it on high until fluffy.
1/2 Cup Butter, 8 oz. Cream Cheese, 3 3/4 Cup Powdered Sugar, 1 teaspoon Vanilla
Video
Notes
You can freeze these gingerbread bars before or after frosting them.Wrap the cut bars in plastic wrap or foil and freeze for up to 1 month.