Combine all dry ingredients (except brown sugar) in a mixer.
In a microwave-safe glass measuring cup, combine honey and vegetable oil (microwave 30 seconds or so until melted). Then add the brown sugar and vanilla. Whisk to combine until sugar has dissolved.
Combine the wet and dry ingredients and transfer to a metal baking dish that has been coated with cooking spray and parchment. I sprayed the bottom of another metal baking dish and pressed down hard. If you don’t have another, spray the bottom of the glass measuring cup to press it down.
Bake for 20-25 minutes. They will be golden brown on top. If they still seem a little loose, you can press down again to be sure they will hold together. They will firm up as they cool.