No Bake Lemon Tart (Creamy, 5-Ingredient, Make-Ahead)

This no bake lemon tart is creamy, bright, and dangerously easy — just 5 ingredients, 15 minutes of prep, and a few hours in the fridge. No oven, no shortcrust pastry, no fuss. Just a buttery graham cracker crust, a silky lemon filling made with sweetened condensed milk and fresh lemon juice, and a cloud of whipped cream on top. Set it up in the morning and it’s ready for dessert — or make it the night before for the cleanest, most beautiful slices.

This is the recipe from my viral video — and once you see how simple it is, you’ll understand why it took off. Watch it below before you start!

🎥 Watch: How to Make No Bake Lemon Tart (the viral video!)

This video shows the exact technique for a smooth, set filling and clean slices every time.

Recipe Snapshot

Why You’ll Love This Lemon Tart Recipe – No oven needed and perfect for summer!

• Uses fresh lemon juice for a bright, tangy flavor  – so much better than bottled.
• No need to fuss with shortcrust pastry
• Simple ingredients—just 5 or 6 pantry staples that you can get at your local food store
• This easy no-bake lemon dessert is make-ahead friendly – (hello, stress-free hosting!)
• Elegant enough for guests, our homemade lemon tart is easy enough for weeknights

🍋  No Bake Lemon Tart — At a Glance
Prep Time	15 minutes
Chill Time	4 hours minimum; overnight for cleanest slices
Total Time	4 hours 15 minutes (mostly hands-off)
Pan	9-inch tart pan with removable bottom
Serves	6 slices
Key Ingredients	Graham crackers, sweetened condensed milk, fresh lemon juice, lemon zest, heavy cream
Make Ahead?	Yes — ideal! Make up to 2 days ahead; hold the whipped cream topping until serving
Storage	Refrigerator, covered, up to 4 days. Do not freeze (filling will weep).
Best For	Summer entertaining, tea time, potlucks, Mother’s Day, Easter

Ingredients You’ll need (see Recipe Card below) 

You’ll need:
– Graham cracker crumbs (or crush graham crackers in your food processor!)
– Sweetened condensed milk
– Fresh lemon juice
– Lemon zest
– Heavy cream

🛒 You can find my favorite tart pan and citrus zester in my Amazon shop.

How to Make a Lemon Tart (step-by-step)

• Make sure the graham cracker crumbs, sugar and butter are mixed well and pressed firmly into your tart pan with a removable bottom
• In a medium bowl, mix the heavy cream, sweetened condensed milk, lemon zest and fresh lemon juice until thick
• Pour into prepared crust
• Chill in the fridge for at least 4 hours (or overnight)
• Top with whipped cream or cool whip

Helpful Tips for the Best No Bake Lemon Tart

• Get all of your ingredients out before you start, including juicing the lemons and grating the lemon zest. 
• Use fresh lemon juice, not bottled!
• Add parchment to the tart pan bottom for easy removal
• Use a zester for extra fragrant lemon zest
• Chill until fully set for clean slices – I recommend overnight if you can.

How to Get Clean Slices Every Time

The secret is patience: chill the tart overnight rather than just 4 hours whenever you can. When you’re ready to slice, run a sharp knife under hot water, wipe it dry, and cut in one smooth motion. Clean the knife between every slice. The filling sets beautifully when properly chilled — rushy slices at the 4-hour mark will be softer and messier.

Use a Tart Pan with a Removable Bottom

This is non-negotiable for a clean presentation. Place the tart on a wide, flat can (like a large can of tomatoes) and the outer ring will drop away. Then slide the tart off the base onto your serving plate using a thin offset spatula. Parchment on the base makes this even easier.

Fresh Lemon Juice Only — Here’s Why

Bottled lemon juice is more acidic and less fragrant than fresh. Since the filling for this tart is essentially just lemon juice + cream + condensed milk, the quality of the lemon flavour is everything. You’ll need about 2 large lemons for ⅓ cup of juice. Roll them on the counter before cutting — it releases more juice.

Why Doesn’t This Need to Be Baked?

The magic here is an acid-set filling: the acidity of the fresh lemon juice actually “cooks” the cream and condensed milk by denaturing the proteins, similar to how lime juice sets the filling in a traditional key lime pie. No oven needed — the fridge does the rest. This also means it’s safe to eat without baking, as long as you use pasteurized condensed milk (which every grocery store brand is).

Make-Ahead and Storage Tips

This tart is actually better the next day — the filling firms up more, the crust softens just slightly (in a good way), and the flavours meld. Make it up to 2 days ahead and keep it refrigerated, covered loosely with plastic wrap. Hold the whipped cream topping until just before serving. It does not freeze well — the filling will weep and the crust will go soggy.

Topping Variations

Classic: freshly whipped cream, lemon zest, and a sprig of fresh mint. Summer party: sliced fresh strawberries or raspberries on top of the whipped cream. Elegant: thin lemon slices twisted into curls. Kid-friendly: a drizzle of blueberry compote or lemon curd on each slice.

You Might Also Love…

• No Bake Pineapple Pie
  
• Mini Strawberry Cheesecakes
  
• Cream Cheese Fruit Dip
  

---

Printable Recipe Card

---

Thanks for stopping by!

Whether you’re serving it at a summer party or sneaking a slice straight from the fridge, this no bake lemon tart is one of those recipes that earns a permanent spot in your rotation. Browse my Easy Desserts collection for more no-fuss favourites, visit Tea Time Treats for elegant yet easy recipes made for slow afternoons, or pop over to Cozy Living for more ideas to make every day a little more special. And if you love lemon, don’t miss my Lemon Brownies — another easy, crowd-pleasing favourite.

Grandma Judy