Low Sodium Lemon Cake — soft, tangy, a little sweet, a little “sunshine in a slice” vibe. Honestly? It’s cake. But lighter. No salt bomb. Just lemony fluff with a zingy glaze. Feels fancy, but it’s not. Not hard either. No weird ingredients.
Jump to RecipeIngredients Needed
Cake:
- 1½ cups all-purpose flour: plain white, no fancy whole grains.
- 1½ tsp low-sodium baking powder: yes, check the label — some are sneaky.
- 1 tbsp lemon zest: the yellow part, not the bitter white.
- ¼ tsp salt (optional): skip it if you’re going strict low sodium.
- ½ cup unsalted butter: must be unsalted, don’t guess.
- 1 cup white sugar: it’s dessert. let it happen.
- 2 large eggs: room temp — makes the batter behave.
- 1 tsp vanilla extract: just a splash for depth.
- 2 tbsp fresh lemon juice: not bottled. bottled’s sad.
- ½ cup low-sodium buttermilk or sub: like almond milk + lemon juice.
Lemon Syrup:
- ¼ cup lemon juice: fresh. again.
- 3 tbsp powdered sugar: blends in easy.
Lemon Icing:
- 1 cup powdered sugar: sift if you’re fancy.
- 1½ tbsp lemon juice
- 1 tbsp milk: whatever kind fits your sodium needs.
How To Make Low Sodium Lemon Cake
Prep the Oven + Pan:
350°F. Grease a loaf pan. Or line it. Or both if you’re paranoid about sticking (which I always am).
Mix the Dry Stuff:
Flour, baking powder, zest, salt (or don’t). Stir and ignore it for a bit.
Cream the Butter + Sugar:
Beat ’em till fluffy — like pale yellow clouds. It takes longer than you think. 5–6 min. Worth it.
Add Eggs + Flavor:
One egg at a time. Then lemon juice and vanilla. Smells so good already.
Alternate the Dry & Buttermilk:
Add flour, then buttermilk, repeat. Start and end with flour. Don’t overbeat — just mix till it’s like… combined-ish.
Bake the Thing:
Into the loaf pan. 45–55 minutes. Stick a toothpick in. Comes out mostly clean? It’s done.
Lemon Syrup Time:
While cake’s still warm, brush it with that syrup. It’ll soak in. Makes it zingy and moist.
Let It Cool, Then Ice It:
Don’t rush the icing. It’ll melt if the cake’s warm. I mean you could still eat it like that. I won’t stop you.

Recipe Tips
- Use unsalted butter + no added salt to drop the sodium way down.
- Most baking powders are fine — but check for sodium-free or low-sodium options.
- Buttermilk sub: use almond milk + a little lemon juice or vinegar.
- Let cake cool before icing — unless you want a lemon puddle (which tbh still tastes good).
How to Store & Reheat
- Room Temp: 2 days, covered with foil or cling wrap.
- Fridge: up to 5 days, in an airtight container.
- Freezer: freeze whole or sliced — wrap tight. Keeps 2 months.
Nutrition Facts (Approx. per slice, 10 total)
- Calories: 306
- Sodium: ~100–140 mg (lower if you skip added salt)
- Protein: 3 g
- Fat: 10 g
- Carbs: 49 g
- Fibre: 1 g
- Sugar: 34 g
FAQs
Can I skip the salt completely?
Yes. It won’t mess with the cake texture — just makes it more heart-friendly.
Is buttermilk high in sodium?
It can be — swap for plant-based milk + lemon juice to make your own.
Do I have to use fresh lemon juice?
No… but bottled is meh. Fresh tastes way better. More zing.
Can I skip the glaze?
You could. But you’ll regret it. It’s the best part.
Can I make this dairy-free too?
Yep. Use plant-based butter and milk alternatives. Just check labels for sodium.
Low Sodium Lemon Cake Recipe
Course: DessertCuisine: AmericanDifficulty: Easy10
servings15
minutes45
minutes306
kcalBright, tangy, low sodium lemon cake with soft texture, zesty glaze, and Sunday-afternoon vibes baked in.
Ingredients
1½ cups all-purpose flour
1½ tsp low-sodium baking powder
1 tbsp lemon zest
¼ tsp salt (optional)
½ cup unsalted butter
1 cup white sugar
2 eggs
1 tsp vanilla extract
2 tbsp lemon juice
½ cup buttermilk or sub
¼ cup lemon juice (syrup)
3 tbsp powdered sugar (syrup)
1 cup powdered sugar (icing)
1½ tbsp lemon juice (icing)
1 tbsp milk (icing)
Directions
- Preheat oven to 350°F. Grease loaf pan.
- Mix dry ingredients in one bowl.
- Cream butter and sugar till fluffy. Add eggs, vanilla, lemon juice.
- Alternate flour and buttermilk. Don’t overmix.
- Pour into pan. Bake 45–55 mins.
- Brush with lemon syrup while warm. Cool completely.
- Mix icing, pour over cooled cake.
Notes
- Skip salt and use sodium-free baking powder to reduce sodium more.
- Fresh lemon juice is worth it.
- Let cake cool before adding icing.
- Stores well and freezes like a dream.
