Step 1: Preheat the Oven and Prepare the Pan

Preheat your oven to 350°F (175°C). Lightly grease a 9 × 13-inch baking dish with cooking spray or a thin layer of butter.

Make sure the baking dish is large enough to hold the cake batter without overflowing. A glass or metal rectangular baking pan works well for this recipe.

Preparing the pan before mixing the batter helps prevent sticking and makes serving the finished pumpkin poke cake much easier.

Step 2: Mix the Pumpkin Cake Batter

In a large mixing bowl, combine the spice cake mix, pumpkin puree, eggs, vegetable oil, water, and vanilla extract.

Add the optional cinnamon, ginger, and nutmeg if you want a stronger pumpkin spice flavor.

Using an electric mixer on medium speed, beat the ingredients until the batter is smooth and evenly combined, usually about 1–2 minutes. Scrape down the sides of the bowl as needed.

Avoid overmixing the batter. Mixing just until the ingredients are incorporated helps the cake maintain a tender texture.

The batter should be thick but spreadable, with a rich orange color from the pumpkin puree.

Step 3: Pour the Batter Into the Baking Dish

Pour the pumpkin cake batter into the prepared 9 × 13-inch baking dish.

Use a spatula to spread the batter evenly into the corners of the pan. Gently smooth the surface so the cake bakes at a consistent thickness.

Tap the pan lightly on the countertop once or twice to release any large air bubbles.

Step 4: Bake the Pumpkin Cake

Place the baking dish in the preheated oven and bake for approximately 25–35 minutes, or until the cake is set and a toothpick inserted into the center comes out clean or with a few moist crumbs.

Baking time may vary depending on your oven, baking pan, and the cake mix you use.

Begin checking the cake around the 25-minute mark. If the center still looks wet or the toothpick comes out with raw batter, continue baking for a few more minutes.

Avoid overbaking because the cake should remain soft and moist enough to absorb the pudding filling.

Step 5: Let the Cake Cool Slightly

Remove the cake from the oven and place the baking dish on a heat-safe surface.

Allow the cake to cool for approximately 10–15 minutes. It should still be warm when you poke the holes, but it should not be piping hot.

Cooling it slightly helps the cake hold its structure while allowing the pudding mixture to enter the holes more easily.

Step 6: Poke Holes Throughout the Cake

Using the handle of a wooden spoon, a thick drinking straw, or the rounded end of a utensil, poke holes across the entire surface of the warm cake.

Space the holes approximately 1 inch apart, making sure they reach deep into the cake without going all the way through the bottom.

For a creamier result, make enough holes to distribute the pudding filling throughout the cake. Avoid making the holes excessively large because too many large openings can cause the cake to break apart when sliced.

This step is what transforms a regular pumpkin cake into a classic poke cake with creamy filling in every serving.

Step 7: Prepare the Vanilla Pudding Filling

In a medium bowl, whisk together the instant vanilla pudding mix and cold milk.

Whisk for approximately 1–2 minutes, until the mixture begins to thicken but is still pourable. Stir in the optional pumpkin pie spice for additional warmth and flavor.

Do not allow the pudding to become completely firm before adding it to the cake. A slightly thickened consistency makes it easier to pour the filling into the holes.

Step 8: Fill the Holes With Pudding

Slowly pour the pudding mixture over the warm cake, spreading it evenly across the surface.

Use a spatula to guide the pudding into the holes. Gently spread any remaining pudding across the top so the cake has an even layer of filling.

If some holes do not fill completely, use the back of a spoon to gently push the pudding toward them.

Allow the cake to rest for a few minutes so the filling can settle into the cake. Do not worry if the top looks slightly uneven; the whipped topping will cover it later.

Step 9: Refrigerate the Cake

Cover the cake loosely with plastic wrap or a suitable lid and refrigerate for at least 2–3 hours, or until the pudding filling is set and the cake is thoroughly chilled.

For the best flavor and texture, refrigerate the cake for several hours or overnight.

Chilling allows the pudding to firm up, the cake to absorb some of the filling, and the pumpkin spice flavors to develop.

Do not add the whipped topping while the cake is still warm. A warm surface can cause the topping to soften and lose its fluffy texture.

Step 10: Add the Whipped Topping

Once the cake is completely chilled, remove it from the refrigerator.

Spread the thawed whipped topping evenly over the entire surface using a spatula. Create gentle swirls or a smooth finish, depending on how you want the cake to look.

For a richer dessert, you can use homemade whipped cream sweetened with a little powdered sugar and vanilla extract.

Make sure the topping reaches the edges of the baking dish so every slice has a creamy finish.

Step 11: Garnish the Pumpkin Poke Cake

Sprinkle the top lightly with ground cinnamon.

For extra crunch, add crushed graham crackers or chopped pecans just before serving. A drizzle of caramel sauce also pairs beautifully with the pumpkin spice and vanilla pudding flavors.

If you are preparing the cake for Thanksgiving or a fall party, you can decorate it with a small amount of cinnamon and finely chopped pecans for a simple seasonal presentation.

Avoid adding crunchy toppings too far in advance if you want them to remain crisp.

Step 12: Slice and Serve

Use a sharp knife to cut the chilled cake into squares. For neat slices, wipe the knife clean between cuts.

Serve each piece directly from the baking dish with the pudding filling and whipped topping visible in every slice.

For an extra-special dessert, drizzle individual servings with caramel sauce or serve with a small scoop of vanilla ice cream.

Keep any remaining cake refrigerated until ready to serve.