Pumpkin-Oat Bread

spray(s) cooking spray flour-variety recommended

cup(s) regular butter softened

cup(s) packed light brown sugar

large egg(s) beaten

cup(s) canned pumpkin

table salt

pumpkin pie spice or more to taste

cup(s) all-purpose flour

cup(s) uncooked quick oats

baking soda

halves, cut into pieces walnut(s)