01 -
Preheat oven to 350°F (175°C). Prepare the cake mix according to package instructions, adding 1 tsp cinnamon for extra flavor. Pour batter into a greased 9×13-inch baking dish. Bake according to package instructions (about 25-30 minutes) or until a toothpick inserted in the center comes out clean.
02 -
While the cake is baking, mix together melted butter, brown sugar, cinnamon, and vanilla extract in a bowl.
03 -
Once the cake is fresh out of the oven, use the handle of a wooden spoon to poke holes all over the cake, about 1 inch apart. Pour the warm cinnamon filling over the cake, letting it seep into the holes. Let the cake cool completely before adding the glaze.
04 -
In a bowl, beat together cream cheese, powdered sugar, vanilla extract, and milk until smooth. Adjust milk amount to reach a pourable glaze consistency.
05 -
Drizzle or spread the cream cheese glaze over the cooled cake. Slice and enjoy your ooey-gooey cinnamon roll poke cake!