This 3-ingredient cheesecake is a no-bake wonder that uses sweetened condensed milk and a squeeze of lemon to build a silky, sliceable filling. No gelatin, no eggs, no fuss.

It sits in a store-bought graham cracker crust, so you can mix it in under ten minutes and let the fridge do the rest. It’s the dessert you turn to when you want something impressive with barely any effort.

What Makes This Cheesecake So Reliable

This version skips the water bath and the baking but still delivers the creamy payoff of a classic cheesecake. The filling sets up firm enough to slice cleanly, but stays soft and almost mousse-like on the tongue.

I keep coming back to it because the ingredient list is laughably short and the mixer does all the work. It’s my answer when someone says they can’t bake.

Ingredients

8 oz cream cheese, softened: use full-fat block cream cheese, not the spreadable tub
1 (14 oz) can sweetened condensed milk: the sole sweetener and what helps the filling set
1/4 cup fresh lemon juice: the acid that thickens the filling instantly
1 (6 oz) prepared graham cracker crust: a pre-made crust keeps things simple; the filling is the 3-ingredient star

Variations / Substitutions

Swap the citrus: use lime juice for a key lime cheesecake feel.
Add vanilla: stir in 1 teaspoon vanilla extract after the lemon juice for a classic background note.
Change the crust: a chocolate cookie crust turns this into a cookies-and-cream situation.

If you love no-bake desserts, try our No-Bake Peanut Butter Pie recipe.

How To Make 3-Ingredient No-Bake Cheesecake

Step 1: Beat the Cream Cheese

In a large bowl, beat the 8 oz of softened cream cheese with an electric mixer until it’s completely smooth and fluffy, about 2 minutes. This step is the key to a lump-free filling, so don’t rush it.

Step 2: Blend in the Sweetened Condensed Milk

Add the 14-ounce can of sweetened condensed milk and beat again until the mixture is satiny and uniform. Stop once to scrape the sides of the bowl so no streaks of cream cheese remain.

Step 3: Fill the Crust and Chill

Pour in the 1/4 cup fresh lemon juice and mix on low just until it’s evenly distributed. The filling will thicken almost immediately. Scrape it into the prepared graham cracker crust and smooth the top with a spatula. Cover loosely with plastic wrap and refrigerate for at least 4 hours, or overnight, until the cheesecake is firm enough to hold a clean edge when you run a knife along the side.

Step 4: Slice and Serve

Run a thin knife around the edge of the crust, then lift the cheesecake out of the pan if it’s removable (or slice right in a disposable tin). Serve it cold, topped with fresh raspberries or a spoonful of lemon curd. The first slice tells you everything: creamy, tangy, and effortless.

A Few Notes Before You Start

Let the cream cheese sit at room temperature for 30 minutes before you begin for the smoothest filling.
Give the cream cheese a really good beat before adding anything else; any tiny lumps now will stay.
Taste the filling after you add the lemon juice and add an extra teaspoon if you like a sharper tang.
To cut clean slices, dip a sharp knife in hot water, wipe it dry, and repeat between cuts.

Keeping Leftover Cheesecake Fresh

Refrigerate: Store leftover cheesecake tightly covered in the fridge for up to 5 days. It tastes even better on day two.
Freeze: Wrap slices individually in plastic wrap and freeze for up to 2 months. Thaw in the fridge overnight.

What To Pile On Top

This cheesecake loves bright, juicy fruit. A handful of raspberries, sliced strawberries, or a quick berry compote cuts through the richness nicely. For a more decadent finish, drizzle with salted caramel or chocolate sauce. A spoonful of tart lemon curd echoes the filling’s tang.

Frequently Asked Questions

Can I use low-fat cream cheese?

No, low-fat or whipped cream cheese won’t set firmly and can make the filling watery. Stick with full-fat block cream cheese.

Do I have to use a graham cracker crust?

Nope. Any prepared cookie crust works, or you can press a homemade crust into a pie plate.

Can I make this dairy-free?

Yes, use a dairy-free cream cheese alternative and a dairy-free sweetened condensed milk. The texture will be slightly softer.

How long does it need to chill?

At least 4 hours, but overnight gives the cleanest slices and best flavor.