Gather Your Ingredients
- 32 OREO cookies
- 6 tablespoons of butter
For the cheesecake filling, gather:
- 24 oz cream cheese, softened
- 3 eggs
- 1 1/2 cups white sugar
- 1 1/2 teaspoons vanilla
- 1/4 cup flour
- 1/4 cup sour cream
- Green, orange, purple, and black gel food coloring
And for the fun decorations:
- Confetti sprinkles in orange, green, and purple
- Candy eyes in assorted sizes
Preparing the Spooky Crust
Let's start by making our deliciously dark OREO crust. Preheat your oven to 325°F (165°C). Now, it's time to crush those cookies! I like to use a food processor to get nice, fine crumbs, but you can also put them in a zip-top bag and crush them with a rolling pin. It's a great way to let the kids help and work out some energy! Once your OREOs are crushed (filling and all), melt 6 tablespoons of butter and mix it into the cookie crumbs. The mixture should look like wet sand. Line a 9x13 inch baking pan with foil, making sure to leave some overhang – this will make it super easy to lift the cheesecake out later. Press the OREO mixture firmly into the bottom of the pan. I find using the bottom of a measuring cup helps to get a nice, even layer. Pop this in the oven for about 10 minutes, then set it aside to cool while we work on the filling.Whipping Up the Colorful Cheesecake Filling
Now for the fun part – the rainbow of cheesecake colors! First, make sure your cream cheese is nice and soft. Cold cream cheese can lead to lumpy batter, and we want our monsters to be smooth and creamy. Cream together the sugar and softened cream cheese until it's silky smooth. Next, add in your eggs one at a time, mixing well after each addition. Then, mix in the vanilla, sour cream, and flour until everything is well combined. The batter should be smooth and glossy at this point. Here comes the magical transformation! Divide your batter into four separate bowls. Now, let's bring our monsters to life with color. Add a few drops of green gel food coloring to one bowl, orange to another, purple to the third, and black to the last. Mix each one well, adding more color if needed to get that perfect Halloween hue.Creating the Monster Mash
Time to assemble our colorful creation! Spoon each color of the batter onto different sections of the cooled crust. Don't worry about being too precise – we want this to look a bit chaotic and fun. Once all the colors are in, take a knife or a skewer and gently swirl where the colors meet. This creates a cool marbled effect that looks just like a monster mash! Now, here's a pro tip I've learned over the years: To prevent your cheesecake from cracking, we're going to use a water bath. Place a large baking sheet filled halfway with water on the bottom rack of your oven. This creates a humid environment that helps the cheesecake bake evenly. Carefully place your cheesecake pan on the middle rack, right above the water bath. Bake for about 45 minutes without opening the oven door. After 45 minutes, check if the center is still jiggly. If it is, keep checking every 2-3 minutes until it's set but still has a slight wobble.Cooling and Decorating Your Monster Masterpiece
Once your cheesecake is baked to perfection, it's time for the hardest part – waiting! Let it cool on the counter for about an hour, then pop it in the fridge for at least 6 hours, or overnight if you can resist that long. When you're ready to decorate, take the cheesecake out of the fridge and let it sit on the counter for about an hour. This makes it easier to cut and decorate. Now, let's bring our monsters to life! Sprinkle your confetti sprinkles over each colored section. Then, use a tube of frosting or a dab of melted chocolate to stick on pairs of candy eyes all over the cheesecake. You can make some monsters with lots of eyes, some with just two – let your imagination run wild!Slicing and Serving Your Spooky Treats
When it's time to serve, use the foil overhang to carefully lift the cheesecake out of the pan. For clean cuts, run a sharp knife under hot water, wipe it dry, then slice. Repeat this process for each cut to avoid dragging crumbs through your beautiful creation.Tips and Tricks for Perfect Monster Mash Bars
- Make sure all your ingredients are at room temperature before starting. This helps everything mix together smoothly.
- Don't overmix the batter once you've added the eggs. Too much mixing can lead to a cracked cheesecake.
- If you're short on time, you can use a pre-made OREO crust. But trust me, homemade is worth the extra effort!
- Feel free to experiment with different food coloring combinations. You could do a blue and white "frozen" theme for winter, or pink and red for Valentine's Day.
- If you're not a fan of OREOs, graham crackers make a great alternative for the crust.