Preheat the Oven: Preheat your oven to 350°F (175°C).
Prepare Your Baking Dish: Grease a 9×13-inch baking dish with cooking spray or oil.
Mix Wet Ingredients: In a large bowl, whisk together the pumpkin puree, sugar, honey, and eggs until combined.
Combine Dry Ingredients: In another bowl, combine the flour, baking soda, cinnamon, and salt.
Mix Together: Gradually add your dry mixture into the wet ingredients, stir until just combined.
Pour into Baking Dish: Transfer the mixture into your prepared baking dish, smoothing out the top.
Bake: Place in the oven and bake for approximately 30-35 minutes.
Cool: Let the cake cool in the pan for 10-15 minutes before slicing.