Whisk in the dark brown sugar, eggs, gingerbread spice and vanilla.
Stir in the flour, baking soda and salt.
Stir in the pecans.
Spread in an oiled foil-lined 9-by-13-inch baking dish and bake at 350 degrees F until a toothpick inserted into the center comes out clean, begin checking at 25 minutes.
Cool.
Recipe by The Amiable Cooks at https://theamiablecooks.com/gingerbread-blondies/