Lemon Raspberry Bars with Coconut Oil Shortbread

Cold coconut oil chunks rubbed into flour and sugar with your fingers. Work fast—the moment it starts looking sandy, stop. Press it into the pan, prick it all over with a fork, and stick it in the fridge. The filling’s tart lemon curd with raspberries scattered on top. Crystallized ginger too. Takes 40 minutes to prep, 45 in the oven, and tastes better the next day.

Why You’ll Love This Lemon Raspberry Bars Recipe

Shortbread base that’s actually crumbly—coconut oil does that. Doesn’t taste like coconut at all, just stays flaky forever.

Tart without punching you in the face. Lemon doesn’t scream. It sits there.

Works cold straight from the fridge or room temperature. Probably tastes better cold, honestly.

Raspberries stay mostly whole, not turned into pulp. The ginger catches you mid-bite. Not overpowering. Just there.

Takes an hour and a half total. Forty minutes of that is just sitting around while things chill and bake.

What You Need for Lemon Raspberry Bars

All-purpose flour and a cup of it. Sugar—granulated, the regular kind. Half a cup of coconut oil solid from the jar, not melted. Pinch of salt. That’s the shortbread base.

For the filling: three eggs. Two-thirds cup sugar again. A quarter cup of fresh lemon juice—bottled doesn’t work the same. Two teaspoons lemon zest, the actual yellow stuff, not the white pith. Two tablespoons cornstarch. This thickens everything without making it taste weird.

Frozen raspberries, thawed and drained—the key word being drained. You want the berries, not the juice. A quarter cup of chopped crystallized ginger stirred through the topping.

Coconut oil over butter here. Butter makes denser shortbread. This one stays crumbly.

How to Make Lemon Raspberry Bars

Get the coconut oil cold. Chunks, not softened. Rub it into the flour and sugar with your fingertips until it looks like wet sand. Takes a minute if you move fast. Cold oil matters. Warm oil melts and you get something dense instead of layered.

Press it into a square pan lined with parchment or just greased. Even layer. Fork all over—holes stop steam from puffing it up. Fridge for 15 minutes minimum. The oils need to firm back up.

Preheat to 350F while that chills.

Bake the crust blind 15 to 20 minutes. Watch the edges. They should go that specific tan—not brown yet, just the color of dark honey. Smells nutty when it’s right. Pull it out. Still a little warm is the goal. Totally cooled and it won’t take the filling right.

How to Get Lemon Bars with Perfect Tart Lemon Curd Filling

Whisk the eggs hard. You want air bubbles in there. Add the sugar slowly while you keep whisking. Sugar almost dissolves into it—you shouldn’t feel grains anymore. Fold in the lemon juice and zest next. Cornstarch goes last, stirred in smooth. No lumps. The mixture thickens as you whisk it.

No cornstarch? Potato starch works, or arrowroot if you triple the amount. Temperature sensitive though. Matters for the set and the chew.

Scatter the drained raspberries over the hot crust. Not piled in one spot. Scattered. Sprinkle the crystallized ginger over that. It adds this funky candied bite you don’t expect. Pour the lemon mixture over gently. You want the berries mostly floating on top, not sunk all the way through.

Bake 25 to 30 minutes. The center should wobble when you shake the pan. Edges set and golden—nothing browning on top. That wobble means the inside’s still creamy but almost set. Every oven’s different. Trust the jiggle, not the timer.

Cool at room temp for an hour before you move it to the fridge. The bars set fully as they cool. Slice with a thin sharp knife. Wipe it between cuts. Warm the knife slightly for neat edges. Too soon out of the oven and it’s ruined slabs. Too cold and it cracks. The window’s maybe three hours. Figure it out.

Lemon Raspberry Bars Tips and Common Mistakes

Frozen raspberries thawed and drained. The word drained matters. Juice in the base makes it soggy and weird.

Don’t skip the fork pricks in the crust. Air pockets mean soggy bottom. Nobody wants that.

Coconut oil has to be cold and chunky. Not melted, not softened. Cold. This is the whole point of the shortbread texture.

Bars taste more tart and hold shape better the next day once fully cold. They’re not bad fresh but they’re not the best version yet. Wait if you can.

Fresh raspberries instead of frozen? Wash and pat completely dry. They’re softer, lose more juice. Add a bit more sugar to the filling if they’re really sour. Coconut oil base makes the crust crumbly and soft. You want that. Butter would make it denser, less flaky. Different bar entirely.

Lemon juice from concentrate doesn’t work the same way. Fresh or nothing.

Lemon Raspberry Bars with Coconut Oil Shortbread

By Emma

Prep:

40 min

Cook:

45 min

Total:

1h 25min

Servings:

16 servings

Ingredients

• Base: 1 cup all-purpose flour
• Base: 1/3 cup granulated sugar
• Base: 1/2 cup coconut oil solid
• Base: pinch salt
• Lemon Filling: 3 large eggs
• Lemon Filling: 2/3 cup granulated sugar
• Lemon Filling: 1/4 cup fresh lemon juice
• Lemon Filling: 2 teaspoons lemon zest
• Lemon Filling: 2 tablespoons cornstarch
• Topping: 1 cup frozen raspberries thawed and drained
• Topping Twist: 1/4 cup chopped crystallized ginger

Method

1. Prepare crust
2. 1 Cold coconut oil chunks rubbed into flour and sugar with fingers. Work fast, sandy texture before clumping. Press evenly into parchment-lined square pan or greased pan if lacking parchment. Fork multiple pricks — no steam pockets forming or soggy base ruin the whole thing. Stick in fridge minimum 15 minutes. Give oils chill to firm up. Prevents shrinkage in oven.
3. Bake base
4. 2 Preheat oven to 350F (175C). Bake crust blind 15-20 minutes until edges paling caramel color. Smells nutty, crust holding form gently when poked. Watch closely after 15—easy to scorch sugar bits. Pull out, let cool slightly but not totally. Hot enough to slightly bubble curd smoothly once on top.
5. Whip up filling
6. 3 Whisk eggs vigorously—bubbles signal enough air for lightness. Add sugar slowly, keep whisking until sugar almost dissolves. Fold lemon juice and zest next. Cornstarch last—no lumps. Watch mix thicken as you whisk. If no cornstarch, potato starch or arrowroot triple dose works but temp sensitive. Important for set firmness but soft chew.
7. Assemble bars
8. 4 Scatter drained frozen raspberry bits cautiously over crust—too concentrated spots means pink stains or wet patches. Sprinkle chopped crystallized ginger for tiny fiery surprises. Ginger adds funky candid bite unexpectedly. Pour lemon liquid over berries gently to keep them mostly afloat on top, not sinking. Transfer carefully to oven rack.
9. Bake all together
10. 5 Bake 25-30 minutes keeping eye on jelly wobble. Center moves, edges set and golden—no browning tops required. Jiggle means nearly set but still creamy inside—ovens vary, trust visual, not stopwatch. Treat like custard pie. Cooling sets fully, do not rush slicing or curd oozes out.
11. After bake
12. 6 Cool bars at room temp minimum hour before fridge chill. Cut with thin sharp knife, clean after each slice, warm slightly for neat edges. Bars turn more tart and hold shape better once fully cold. Too soon? Ruined messy slabs you regret.
13. 7 Extra tip: no frozen raspberries? Use fresh carefully, wash and pat dry well. Add extra sugar if fresh sourness diverges too much. Also coconut oil in base makes crust crumbly but soft, butter swap yields denser, less flaky.

Nutritional information

Calories

190

Protein

2g

Carbs

27g

Fat

8g

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Frequently Asked Questions About Lemon Raspberry Bars

Can I use butter instead of coconut oil in the shortbread base? Yeah, you can. Won’t taste the same though. Butter makes it denser, less flaky. Not worse, just different. Coconut oil’s crumbly. Butter’s more like shortbread shortbread.

What if I don’t have cornstarch? Potato starch works. Arrowroot too but use triple the amount. Both temp sensitive. Matters for how firm it sets and the texture of the chew. Without something, it’ll stay runny.

How do I know when the lemon curd filling is done baking? Wobble in the center. Shake the pan gently. If the edges don’t move and the middle does, you’re good. Leave it in any longer and it turns more custard pie than bar. That’s not the goal.

Do frozen raspberries have to be thawed? Thawed and drained. Don’t skip the draining part. The juice makes everything soggy and weird. Yes, that dull the flavor. Still better than waterlogged bars.

Can I make these ahead? Actually better the next day. Bars are tart and hold shape once fully cold. They stay good for three or four days covered. Wrapped tight they freeze okay, tastes fine but texture changes slightly.

Why does mine have a soggy bottom? Didn’t prick the crust enough. Air pockets steam the base. Or you poured the filling on when the crust was too cool. Hot crust takes the lemon mixture better. Or the raspberries weren’t drained. Juice soaks down.