Yes, cheesecake is high in sugar. A single slice of Cheesecake Factory Original cheesecake contains 21 grams of sugar, which accounts for a significant chunk of what most people should eat in an entire day. Homemade versions vary, but the combination of sweetened filling, graham cracker crust, and any toppings means sugar adds up fast.
How Much Sugar Is in a Typical Slice
A standard slice from a commercial cheesecake like the Cheesecake Factory Original contains about 21 grams of sugar in just 85 grams of cake. That’s roughly five teaspoons of sugar in a portion that, honestly, is smaller than what most restaurants serve. Many restaurant slices are 50% to 100% larger than that, pushing the sugar content closer to 30 or even 40 grams depending on the variety and toppings.
To put that in perspective, the Dietary Guidelines for Americans recommend keeping added sugars below 10% of your daily calories. For someone eating 2,000 calories a day, that’s a cap of about 50 grams of added sugar. A single slice of cheesecake can eat up 40% to 60% of that allowance before you account for anything else you’ve eaten that day.
Where the Sugar Comes From
Cheesecake sugar isn’t hiding in one place. It’s distributed across the entire dessert. The filling typically calls for three-quarters to one full cup of granulated sugar blended into the cream cheese base. The graham cracker crust adds another quarter to a third of a cup of sugar, sometimes brown sugar, mixed with butter and cracker crumbs. Then there are toppings: fruit compotes, caramel drizzles, chocolate ganache, and whipped cream all layer on additional sweetness.
The cream cheese itself contains a small amount of naturally occurring sugar from lactose, but the vast majority of sugar in cheesecake is added sugar. Even a “plain” cheesecake with no topping relies heavily on added sugar for its characteristic flavor and smooth texture.
How Cheesecake Affects Blood Sugar
Despite being high in sugar, cheesecake has a glycemic index of 50, which falls in the low range (anything under 55 is considered low). This might sound surprising for a sugary dessert, but the high fat content from cream cheese, butter, and eggs slows down how quickly glucose enters your bloodstream. Fat delays stomach emptying, which blunts the blood sugar spike you’d get from eating pure sugar.
The glycemic load, which accounts for how much carbohydrate is actually in a serving, comes in at 16. That’s in the medium range. So while cheesecake won’t spike your blood sugar as sharply as a slice of angel food cake or a bowl of white rice, it still delivers a meaningful amount of sugar that your body has to process. For people managing diabetes or insulin resistance, this matters. The slower spike doesn’t mean the sugar disappears.
How Cheesecake Compares to Other Desserts
Cheesecake lands in the middle of the dessert sugar spectrum. It’s generally lower in sugar per slice than layer cakes with buttercream frosting, which can top 40 to 50 grams of sugar per serving, or fruit pies with sweetened fillings. It tends to have more sugar than desserts like dark chocolate mousse or panna cotta, which rely more on fat than sweetness.
- Cheesecake (plain): roughly 21 to 30 grams of sugar per slice
- Chocolate layer cake: roughly 35 to 50 grams per slice
- Apple pie: roughly 25 to 35 grams per slice
- Crème brûlée: roughly 15 to 20 grams per serving
Flavored cheesecakes close that gap quickly, though. A slice of caramel pecan or strawberry-topped cheesecake can easily match or exceed a slice of frosted cake.
Lower-Sugar Alternatives
If you enjoy cheesecake but want to cut the sugar, homemade versions give you the most control. Many recipes work well with 30% to 50% less sugar in the filling without a dramatic change in texture, since cream cheese provides most of the body and richness. Replacing graham cracker crust with a nut-based crust (almonds or pecans blended with butter) also trims sugar while adding protein and healthy fats.
Sugar substitutes like erythritol or monk fruit sweetener can replace some or all of the added sugar in cheesecake recipes. These keep the sweetness without contributing to your blood sugar or calorie count. The texture can change slightly, so blending a sugar substitute with a small amount of real sugar often gives the best results.
Store-bought “no sugar added” cheesecakes exist, but check the label carefully. Some compensate with artificial sweeteners that may cause digestive discomfort in larger amounts, and others simply shift calories to fat without meaningfully reducing the total calorie count.

