Cottage Cheese Pumpkin Mousse 

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This Cottage Cheese Pumpkin Mousse is thick, creamy, and tastes like pumpkin pie filling with a little cheesecake flavor. It’s made with real pumpkin puree, cottage cheese, and protein powder, so you get a delicious, high-protein dessert without turning on the oven.

I’ve been making so many cottage cheese desserts lately, and I love how easy they are. Just blend everything until smooth, let it chill, and you’ve got something sweet waiting in the fridge.

This pumpkin mousse is especially good when I’m craving pumpkin cheesecake but don’t feel like baking anything. The pumpkin pie spice gives it plenty of flavor, and a few chocolate chips on top make it even better. They’re completely optional, though!

If you love creamy pumpkin desserts, you should also try my High-Protein Cottage Cheese Pumpkin Cheesecake. It’s baked in individual ramekins and has that delicious cheesecake texture.

Why You’ll Love This Cottage Cheese Pumpkin Mousse

• High in protein. Cottage cheese and protein powder turn a simple pumpkin dessert into a more filling treat.
• No baking required. You only need a blender and a little refrigerator time.
• Smooth and creamy. Once the cottage cheese is blended properly, the curds disappear into the pumpkin mixture.
• Made with real pumpkin. One full cup of pumpkin puree gives this mousse plenty of pumpkin flavor.
• Great for making ahead. Prepare individual jars and keep them chilled for dessert throughout the week.

Ingredients You’ll Need

You only need a handful of simple ingredients for this high-protein pumpkin mousse.

Cottage Cheese

I use 2 cups of cottage cheese for the base of this recipe. Don’t worry if you’re not a big fan of cottage cheese on its own. Once it’s blended with the pumpkin, sweetener, and spices, the curds completely disappear.

If you enjoy this kind of easy dessert, my Cottage Cheese Peanut Butter Mousse is another delicious option.

Pumpkin Puree

You’ll need 1 cup of pumpkin puree. I like this amount because you get plenty of pumpkin flavor without making the mixture too loose.

Be sure to use 100% pure pumpkin puree, not pumpkin pie filling. The filling already contains sugar and spices, which would change the recipe.

Protein Powder

Protein powder: Vanilla works well with the pumpkin spice, or use unflavored and adjust the sweetener to taste. 

Different powders absorb different amounts of moisture. If the filling is too thick for your blender to mix, scrape down the sides first, then add unsweetened almond milk 1 tablespoon at a time, using only enough to help it blend.

Sweetener

I use ¼ cup of my favorite granulated sweetener, but you can add more depending on how sweet you like your desserts. I use this sweetener in pretty much everything lately, especially creamy desserts, because I really like the taste. Taste the mixture before adding more, especially if your protein powder is already sweetened.

Gelatin Powder

Unflavored gelatin helps the mousse set in the refrigerator so it becomes thick and holds its shape.

The gelatin needs to be bloomed and gently dissolved before adding it to the mousse. This prevents little rubbery bits from forming in the finished dessert.

Pumpkin Pie Spice

I use 2 teaspoons of pumpkin pie spice for a more noticeable pumpkin pie flavor.

Pumpkin itself is pretty mild, so the cinnamon, ginger, nutmeg, and cloves are what give this mousse that familiar fall dessert taste.

Vanilla Extract

One teaspoon of vanilla extract brings everything together and adds a little sweetness to the flavor without needing more sweetener.

Optional Toppings

I love adding a few sugar-free chocolate chips right before serving. The combination of pumpkin spice and dark chocolate is really good, especially when the mousse is cold.

You can also use:

• A small spoonful of sugar-free whipped cream
• Chopped toasted pecans
• A few extra chocolate chips
• A drizzle of sugar-free caramel sauce

How to Make Cottage Cheese Pumpkin Mousse

This recipe is easy to prepare, but there are two things worth paying attention to: blending the cottage cheese until completely smooth and dissolving the gelatin properly.

1. Bloom the Gelatin

Pour 3 tablespoons of cold water into a small microwave-safe bowl.

Sprinkle the gelatin evenly over the surface of the water and let it sit for about 5 minutes. It will absorb the water and become thick and spongy.

Once bloomed, gently heat the gelatin in the microwave for a few seconds at a time, stirring until completely dissolved and liquid. Don’t let it boil.

Set it aside briefly while you prepare the cottage cheese mixture, but don’t let it cool so much that it starts to set again.

2. Blend the Cottage Cheese

Add the cottage cheese to a high-speed blender or food processor.

Blend until completely smooth, stopping to scrape down the sides if needed.

Take your time with this step. You don’t want any visible cottage cheese curds remaining.

The mixture should look creamy and silky, almost like a thick cheesecake filling.

3. Add the Pumpkin and Remaining Ingredients

Add the pumpkin puree, protein powder, sweetener, vanilla extract, and pumpkin pie spice.

Blend until everything is completely combined.

Stop and taste the mixture before adding the gelatin. If you’d like it sweeter, add a little more sweetener and blend again.

The pumpkin flavor will become even more noticeable after the mousse has chilled.

4. Mix in the Gelatin

With the blender running on low, slowly add the dissolved gelatin.

Blend briefly until fully incorporated.

If your gelatin has already started to thicken or form lumps, gently warm it again until it becomes liquid before adding it.

You want it completely mixed into the pumpkin filling so the finished mousse sets evenly.

5. Divide and Refrigerate

Spoon or pour the mousse into 4 small dessert jars or serving bowls.

Smooth the tops with the back of a spoon.

Cover and refrigerate for at least 2 to 3 hours, or until the mousse is chilled and set.

I prefer making this a few hours ahead because the texture gets much better after chilling.

My Best Tips for Perfect Pumpkin Mousse

Blend the cottage cheese really well. This makes the biggest difference in texture. Keep blending until you can’t see or feel the curds anymore.

Use thick cottage cheese. If your cottage cheese has a lot of liquid sitting on top, drain off the excess before blending.

Dissolve the gelatin completely. Blooming alone isn’t enough. The gelatin must be gently warmed until liquid before you add it to the filling.

Start with vanilla protein powder. It pairs nicely with pumpkin spice. Unflavored protein powder also works, but you may want to adjust the sweetener.

Taste before chilling. Once the gelatin is added and the mousse sets, adjusting the sweetness becomes much harder.

Don’t rush the chilling time. The mousse may seem soft immediately after blending. It needs time in the refrigerator to develop its final consistency.

Add chocolate chips just before serving. They keep their texture better, and you can easily leave them off for anyone who prefers plain pumpkin mousse.

How to Store Pumpkin Mousse

Keep the mousse covered in individual jars or airtight containers in the refrigerator for up to 4 days.

I like dividing it into portions right away because it makes serving so much easier. You can simply grab a jar whenever you want something sweet.

If you’re making it ahead, leave off the chocolate chips, whipped cream, or other toppings until you’re ready to serve.

Can you freeze it?

I don’t recommend freezing this mousse if you want to keep the same creamy texture. Gelatin-based desserts can release moisture and become grainy or watery when thawed.

Frequently Asked Questions

Can you taste the cottage cheese in pumpkin mousse?

The cottage cheese flavor becomes much less noticeable after blending it with pumpkin puree, sweetener, vanilla, and pumpkin pie spice.

The key is blending everything until completely smooth. The finished mousse has a creamy texture with a mild cheesecake-like flavor.

Can I make pumpkin mousse without gelatin?

You can make a softer pumpkin cottage cheese pudding without gelatin, but it won’t have the same set texture.

If you leave out the gelatin, serve the mixture in small bowls or jars and expect it to be more like a thick pudding than a mousse.

Do I have to use protein powder?

Protein powder adds extra protein and contributes to the thickness of the filling.

You can leave it out, but the mousse may be softer, less sweet, and lower in protein. You may need to adjust the sweetener or other ingredients, so it won’t be exactly the same recipe.

Is this pumpkin mousse keto-friendly?

It can fit into a keto or low-carb diet, depending on your daily carbohydrate target, portion size, and the ingredients you choose.

Why didn’t my pumpkin mousse set?

The most common reasons are gelatin that wasn’t fully dissolved, inaccurate measurements, or not enough time in the refrigerator.

Make sure to bloom the gelatin in cold water, gently dissolve it, and blend it thoroughly into the filling.

Also, give the mousse at least 2 to 3 hours to chill before checking the final texture.

More Pumpkin Recipes to Try

If you have extra pumpkin puree, here are a few other recipes worth making:

• Cottage Cheese Pumpkin Bars – Soft, cake-like bars with pumpkin spice and an optional cinnamon cream cheese frosting.
• Cottage Cheese Pumpkin Muffins – Easy blender muffins for breakfast, an afternoon snack, or a little something sweet with your coffee.
• Crustless Pumpkin Pie – A smooth pumpkin custard filling with no crust to prepare.
• Keto Pumpkin Roll – Spiced pumpkin cake wrapped around a creamy filling for something a little more special.