Creamy Keto Strawberry Rhubarb Cheesecake

Finding a dessert that satisfies your sweet tooth while staying keto-friendly can feel nearly impossible, especially when you’re craving something creamy and indulgent. Most cheesecakes are loaded with sugar and graham cracker crusts that’ll kick you right out of ketosis, and let’s be honest—those alternative desserts don’t always hit the spot.

Thankfully, this keto strawberry rhubarb cheesecake delivers on all fronts: it’s rich and satisfying with a buttery almond flour crust, features a tangy-sweet fruit topping that perfectly complements the creamy filling, and keeps your carb count in check so you can enjoy dessert without derailing your goals.

What Kind of Cream Cheese Should I Use?

For this keto cheesecake, you’ll want to stick with full-fat cream cheese – and I really mean full-fat, not the reduced-fat or light versions. The recipe calls for 16 ounces, which is two standard 8-ounce blocks, and using the real deal makes all the difference in getting that rich, creamy texture we’re after. Make sure your cream cheese is at room temperature before you start mixing, as cold cream cheese can lead to lumps in your filling that are tough to smooth out. Name brands like Philadelphia tend to be more consistent, but store brands work just fine too as long as they’re the full-fat variety.

Options for Substitutions

This keto cheesecake has some room for swaps, though a few ingredients really shouldn’t be changed:

• Almond flour: This is pretty essential for the keto crust. You could try coconut flour, but use only 3/4 cup since it absorbs more liquid. The texture will be slightly different, so almond flour is your best bet if you want that classic crust.
• Sugar substitute: Feel free to use your preferred keto sweetener – erythritol, monk fruit, or allulose all work well. Just keep the measurements the same, though you might need to adjust slightly based on sweetness level.
• Fresh rhubarb: Frozen rhubarb works just as well as fresh. No need to thaw it first – just add it straight to the pot. You might need an extra minute or two of cooking time.
• Cream cheese: Stick with full-fat cream cheese here – it’s not really swappable. Low-fat versions will make your cheesecake watery and won’t set properly.
• Sour cream: Greek yogurt (full-fat) can work in place of sour cream if that’s what you have. The flavor will be slightly tangier but still tasty.
• Strawberries: You can use frozen strawberries for the topping. Just thaw and drain them well before using, or they’ll add too much liquid to your compote.

Watch Out for These Mistakes While Baking

The biggest mistake when making keto cheesecake is not bringing your cream cheese and eggs to room temperature first, which can lead to lumps in your filling and an uneven texture – take them out of the fridge at least an hour before you start.

Overbaking is another common issue that causes cracks on top, so look for a cheesecake that’s set around the edges but still has a slight jiggle in the center when you gently shake the pan.

When making the almond flour crust, press it down firmly and evenly into the pan, otherwise you’ll end up with a crumbly base that falls apart when you slice it.

For the strawberry rhubarb topping, make sure both the sauce and the cheesecake are completely cool before spreading it on top, or the heat will cause the filling to soften and create a mess.

What to Serve With Keto Strawberry Rhubarb Cheesecake?

This cheesecake is rich and creamy enough to stand on its own as dessert, but a dollop of freshly whipped cream on top never hurts. If you want to add something on the side, a hot cup of coffee or unsweetened tea helps balance out the sweetness and makes for a nice after-dinner treat. You could also serve it with a handful of fresh berries like raspberries or blackberries for anyone who wants extra fruit. Since it’s already pretty filling, I’d keep any sides simple and let the cheesecake be the star of the show.

Storage Instructions

Store: Keep your cheesecake covered in the fridge for up to 5 days. I like to use plastic wrap directly on the surface first, then cover the whole pan with foil to keep it from absorbing any fridge odors. It actually tastes even better after a day or two when all the flavors have had time to meld together.

Freeze: This cheesecake freezes really well for up to 2 months. I recommend slicing it into individual portions first, then wrapping each piece tightly in plastic wrap and placing them in a freezer-safe container. That way you can grab just one slice whenever a craving hits.

Serve: For the best texture, let frozen slices thaw in the fridge overnight. If you’re serving it straight from the fridge, let it sit at room temperature for about 15 minutes before digging in so the flavors really shine through.

Estimated Nutrition

Estimated nutrition for the whole recipe (without optional ingredients):

• Calories: 2900-3200
• Protein: 60-75 g
• Fat: 260-290 g
• Carbohydrates: 90-110 g

Ingredients

For the crust:

• 2 cups finely ground almond flour
• 1/2 cup butter, melted and cooled
• 1/2 cup granulated sugar substitute
• 3/4 tsp sea salt
• 1/4 tsp ground cinnamon

For the filling:

• 16 oz cream cheese, softened
• 3/4 cup sugar substitute
• 2 large eggs, room temperature
• 1 1/2 tsp vanilla extract
• 1/4 tsp salt
• 1 cup full-fat sour cream
• 1 tsp lemon zest

For the fruit topping:

• 2 cups strawberries, hulled and quartered
• 1 1/4 cups rhubarb, sliced 1/4-inch thick
• 1/2 cup sugar substitute
• 1/2 cup water
• 2 tsp lemon juice
• 1 tbsp unsalted butter

Step 1: Prepare the Almond Flour Crust

• 2 cups finely ground almond flour
• 1/2 cup butter, melted and cooled
• 1/2 cup granulated sugar substitute
• 3/4 tsp sea salt
• 1/4 tsp ground cinnamon

Preheat your oven to 350°F and grease a 9-inch springform pan with butter.

In a medium bowl, combine the finely ground almond flour, 1/2 cup sugar substitute, 3/4 teaspoon sea salt, and ground cinnamon.

Pour in the melted and cooled butter, stirring until the mixture resembles wet sand and holds together when pressed.

Press this mixture firmly into the bottom of your prepared pan, creating an even layer.

Bake for 20-25 minutes until the crust is lightly golden and set, then remove and let cool while you prepare the filling.

Step 2: Make the Cheesecake Filling

• 16 oz cream cheese, softened
• 3/4 cup sugar substitute
• 2 large eggs, room temperature
• 1 1/2 tsp vanilla extract
• 1/4 tsp salt
• 1 cup full-fat sour cream
• 1 tsp lemon zest

While the crust cools, reduce your oven temperature to 325°F.

In a large bowl, beat the softened cream cheese and 3/4 cup sugar substitute together until smooth and creamy, about 2-3 minutes.

Add the room-temperature eggs one at a time, beating well after each addition to avoid overmixing and incorporating excess air.

Gently fold in the vanilla extract, 1/4 teaspoon salt, sour cream, and lemon zest, stirring just until combined—I find that overmixing at this stage can lead to cracks in the finished cheesecake, so take your time and be gentle.

Step 3: Bake the Cheesecake

• filling mixture from Step 2
• crust from Step 1

Pour the filling mixture from Step 2 over the cooled crust from Step 1, smoothing the top with a spatula.

Bake at 325°F for 35-45 minutes until the edges are set but the center still jiggles slightly when you gently shake the pan—this residual heat will continue cooking the center as it cools.

Once baked, turn off the oven and crack the door open about 2 inches, leaving the cheesecake inside for 1 hour to cool gradually.

This slow cooling prevents the dramatic temperature shock that causes cracks.

Then transfer the cheesecake to a wire rack and let it cool completely at room temperature for another hour before refrigerating.

Step 4: Prepare the Strawberry-Rhubarb Topping

• 2 cups strawberries, hulled and quartered
• 1 1/4 cups rhubarb, sliced 1/4-inch thick
• 1/2 cup sugar substitute
• 1/2 cup water
• 2 tsp lemon juice
• 1 tbsp unsalted butter

While the cheesecake cools, prepare the fruit topping.

In a medium saucepan, combine 1/2 cup water, 1/2 cup sugar substitute, and 2 teaspoons lemon juice.

Bring to a simmer over medium heat, stirring occasionally until the sweetener dissolves.

Add the sliced rhubarb and cook for about 5 minutes until it begins to soften, then add the quartered strawberries and continue cooking for another 5-10 minutes until the fruit is tender and the sauce has thickened slightly.

I like to taste the sauce at this point and add a tiny pinch of salt if needed—it really brings out the fruity flavors.

Remove from heat and stir in the 1 tablespoon unsalted butter until melted and incorporated.

Step 5: Finish and Serve

• sauce from Step 4
• cooled cheesecake from Step 3

Allow the strawberry-rhubarb sauce from Step 4 to cool to room temperature—if you prefer a smoother topping, you can blend it partially with an immersion blender or food processor at this point, or leave it chunky for texture.

Once both the cheesecake and sauce are completely cooled, spread or spoon the topping evenly over the chilled cheesecake.

Refrigerate for at least 2 hours before serving to allow the flavors to meld and the cheesecake to firm up for clean slicing.

Creamy Keto Strawberry Rhubarb Cheesecake

Delicious Creamy Keto Strawberry Rhubarb Cheesecake recipe with step-by-step instructions.

Print Recipe Pin Recipe

Prep Time 45 minutes mins

Cook Time 1 hour hr 30 minutes mins

Total Time 2 hours hrs 15 minutes mins

Servings: 12 slices

Calories: 3050

Ingredients Method

Ingredients

  

For the crust

• 2 cups finely ground almond flour
• 1/2 cup butter, melted and cooled
• 1/2 cup granulated sugar substitute
• 3/4 tsp sea salt
• 1/4 tsp ground cinnamon

For the filling

• 16 oz cream cheese, softened
• 3/4 cup sugar substitute
• 2 large eggs, room temperature
• 1 1/2 tsp vanilla extract
• 1/4 tsp salt
• 1 cup full-fat sour cream
• 1 tsp lemon zest

For the fruit topping

• 2 cups strawberries, hulled and quartered
• 1 1/4 cups rhubarb, sliced 1/4-inch thick
• 1/2 cup sugar substitute
• 1/2 cup water
• 2 tsp lemon juice
• 1 tbsp unsalted butter

Method

 

1. Preheat your oven to 350°F and grease a 9-inch springform pan with butter. In a medium bowl, combine the finely ground almond flour, 1/2 cup sugar substitute, 3/4 teaspoon sea salt, and ground cinnamon. Pour in the melted and cooled butter, stirring until the mixture resembles wet sand and holds together when pressed. Press this mixture firmly into the bottom of your prepared pan, creating an even layer. Bake for 20-25 minutes until the crust is lightly golden and set, then remove and let cool while you prepare the filling.
2. While the crust cools, reduce your oven temperature to 325°F. In a large bowl, beat the softened cream cheese and 3/4 cup sugar substitute together until smooth and creamy, about 2-3 minutes. Add the room-temperature eggs one at a time, beating well after each addition to avoid overmixing and incorporating excess air. Gently fold in the vanilla extract, 1/4 teaspoon salt, sour cream, and lemon zest, stirring just until combined—I find that overmixing at this stage can lead to cracks in the finished cheesecake, so take your time and be gentle.
3. Pour the filling mixture from Step 2 over the cooled crust from Step 1, smoothing the top with a spatula. Bake at 325°F for 35-45 minutes until the edges are set but the center still jiggles slightly when you gently shake the pan—this residual heat will continue cooking the center as it cools. Once baked, turn off the oven and crack the door open about 2 inches, leaving the cheesecake inside for 1 hour to cool gradually. This slow cooling prevents the dramatic temperature shock that causes cracks. Then transfer the cheesecake to a wire rack and let it cool completely at room temperature for another hour before refrigerating.
4. While the cheesecake cools, prepare the fruit topping. In a medium saucepan, combine 1/2 cup water, 1/2 cup sugar substitute, and 2 teaspoons lemon juice. Bring to a simmer over medium heat, stirring occasionally until the sweetener dissolves. Add the sliced rhubarb and cook for about 5 minutes until it begins to soften, then add the quartered strawberries and continue cooking for another 5-10 minutes until the fruit is tender and the sauce has thickened slightly. I like to taste the sauce at this point and add a tiny pinch of salt if needed—it really brings out the fruity flavors. Remove from heat and stir in the 1 tablespoon unsalted butter until melted and incorporated.
5. Allow the strawberry-rhubarb sauce from Step 4 to cool to room temperature—if you prefer a smoother topping, you can blend it partially with an immersion blender or food processor at this point, or leave it chunky for texture. Once both the cheesecake and sauce are completely cooled, spread or spoon the topping evenly over the chilled cheesecake. Refrigerate for at least 2 hours before serving to allow the flavors to meld and the cheesecake to firm up for clean slicing.