Sweetheart Cupcakes
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So you’re in the mood to bake something sweet, adorable and filled with love? You’ve come to the right place. Whether you’re baking for a special someone, your family, friends or just for yourself (no judgment self-love is real) these Sweetheart Cupcakes are the perfect way to spread some sugary cheer.
I’ll walk you through the process from start to finish like we’re baking side-by-side in a cozy kitchen. We’ll cover everything: ingredients, tools, step-by-step instructions and even a few extra tips to make them extra special.
What Exactly Are Sweetheart Cupcakes?
Great question! Sweetheart Cupcakes are essentially adorable love themed cupcakes that are as pretty as they are delicious. Think of rich moist cake (chocolate or vanilla) your choice. Topped with silky buttercream frosting in pinks, reds or white, maybe even stuffed with a little surprise inside like jam or chocolate ganache. The finishing touches? Heart-shaped sprinkles, fondant toppers or even candy conversation hearts. They scream “I love you” in the most edible way possible.
Ingredients You’ll Need
Let’s start with the basics. Below is a simple recipe for about 12 cupcakes but feel free to double it if you’re feeding a crowd or just want leftovers (trust me you’ll want leftovers).
For the Cupcakes
You’ve got options here. We’ll do a classic vanilla cupcake but I’ll include a chocolate variation down below.
Vanilla Cupcake Base:
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1 ½ cups all-purpose flour
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1 ½ tsp baking powder
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½ tsp salt
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½ cup unsalted butter (room temp)
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1 cup granulated sugar
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2 large eggs
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2 tsp pure vanilla extract
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½ cup whole milk
Chocolate Cupcake Variation:
Just swap out ½ cup of the flour for ½ cup unsweetened cocoa powder. Everything else stays the same.
For the Buttercream Frosting:
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1 cup unsalted butter (room temp)
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3 ½ cups powdered sugar
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1 tsp vanilla extract
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2–3 tbsp heavy cream or milk
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Food coloring (pink, red, purple or whatever you like!)
Optional Fillings & Toppings:
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Strawberry or raspberry jam
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Chocolate ganache (just warm heavy cream + chocolate chips)
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Heart-shaped sprinkles
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Fondant hearts
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Candy conversation hearts
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Edible glitter (because why not?)
Tools You’ll Need
Don’t worry nothing too fancy here.
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Muffin or cupcake tin
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Cupcake liners (bonus if they’re heart themed)
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Mixing bowls
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Electric hand mixer or stand mixer
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Sifter or mesh strainer
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Spatula
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Piping bags and tips (star tips work great)
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Toothpick (for doneness checks)
Let’s Bake These Babies!
Now for the fun part—baking! Put on your apron, queue up your favorite playlist and let’s do this.
Step 1: Preheat & Prep
Start by preheating your oven to 350°F (175°C). Line your muffin tin with those cute cupcake liners and set it aside.
Step 2: Mix Dry Ingredients
In a medium bowl, whisk together your flour, baking powder and salt. If you’re doing the chocolate variation, sift in the cocoa powder too. Set that aside for now and we’ll come back to it.
Step 3: Cream Butter & Sugar
In a large bowl use your hand or stand mixer to cream the butter and sugar together. You want it light and fluffy which usually takes about 2–3 minutes on medium speed. This step helps make your cupcakes light and soft.
Step 4: Add Eggs & Vanilla
Crack in your eggs one at a time, mixing well after each one. Then add in your vanilla extract. You’ll start to smell that sweet comforting vanilla aroma now. It’s already getting good.
Step 5: Combine Wet & Dry
Alternating between the two, add your dry ingredients and milk to the butter mixture. Start and end with the dry ingredients. Mix just until combined and don’t overdo it or your cupcakes might come out a bit tough.
Step 6: Fill the Liners
Using a spoon or cookie scoop, fill each cupcake liner about ⅔ of the way full. Don’t be tempted to overfill or they might overflow like a muffin top disaster (trust me I’ve been there).
Step 7: Bake
Pop the tray into your preheated oven and bake for about 18–22 minutes. You’ll know they’re ready when a toothpick inserted into the center comes out clean.
Let them cool in the tin for about 5 minutes then transfer them to a wire rack to cool completely before frosting. I know it’s tempting to frost them right away but patience grasshopper. Melted frosting is a no go.
Frosting Time: The Buttercream Dream
Let’s get that frosting whipped up while your cupcakes cool.
Step 1: Whip the Butter
In a large bowl beat your room temperature butter until smooth and creamy for about 2 minutes.
Step 2: Add Sugar Gradually
Sift in the powdered sugar a cup at a time, mixing on low at first so you don’t get a sugar cloud in your face (again, learned from experience). Once incorporated mix on high for about 2 minutes.
Step 3: Add Vanilla & Cream
Pour in your vanilla and one tablespoon of cream at a time until you get that light fluffy consistency you love. If it’s too thick add more cream; too thin, add more sugar.
Step 4: Color It Up!
Divide the frosting into bowls and add a drop or two of food coloring to each. Pinks, reds, purples—go wild! Swirl them together in a piping bag for a dreamy ombré effect or keep it simple with solid colors.
Filling the Cupcakes (Optional, But Amazing)
If you want to add a little surprise inside—now’s your moment!
Use a small knife or a cupcake corer to take out a bit of the center of each cupcake (eat those centers as a reward). Fill with a spoonful of jam or ganache then replace the top like a little cupcake cap.
Time to Decorate!
Load your frosting into a piping bag fitted with a star or round tip. Pipe a generous swirl onto each cupcake. No piping bag? No problem. Use a butter knife or offset spatula for a rustic homemade look.
Now for the real fun decorating! Sprinkle on the heart shaped goodies, place a fondant heart on top, add a dash of glitter or stick a cute toothpick topper in there. Whatever makes you smile.
Tips & Tricks for the Best Sweetheart Cupcakes
Here are a few extra nuggets of wisdom to make your cupcakes truly irresistible:
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Room temp ingredients are key. Cold butter or eggs can mess with the texture of your batter.
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Don’t overmix. Mix until just combined. Overdoing it leads to dense cupcakes.
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Pipe like a pro. Start piping from the outside edge and swirl inward for that classic cupcake shop look.
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Use gel food coloring. It’s more vibrant than liquid so you won’t need as much.
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Store with care. Keep them in an airtight container at room temp for 2–3 days or in the fridge if they’re filled with something perishable like ganache.
Make It Your Own!
One of the best parts about baking is making a recipe your own. Here are a few fun variations you can try:
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Red Velvet Sweetheart Cupcakes: Add a teaspoon of cocoa and red food coloring to your vanilla batter.
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Strawberry Milkshake Cupcakes: Use strawberry extract and pink coloring in the batter and frosting.
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Mocha Love: Go chocolate with a little espresso powder in the batter and top with chocolate buttercream.
You can also turn these into mini cupcakes (just reduce baking time) or even a full cake if you’re feeling fancy.
Sweetheart Cupcakes

Equipment
- 12-cup muffin tin
- Cupcake liners
- Mixing bowls
- Electric mixer
- Spatula
- Measuring cups and spoons
- Cupcake corer or small knife
- Piping bag and tip (optional)
Ingredients
- Cupcakes:
- 1 ½ cups all-purpose flour
- 1 ½ tsp baking powder
- ¼ tsp salt
- ½ cup unsalted butter softened
- ¾ cup granulated sugar
- 2 large eggs
- 2 tsp vanilla extract
- ½ cup whole milk
- Filling:
- ½ cup strawberry jam or preserves
- Pink Buttercream Frosting:
- 1 cup unsalted butter softened
- 3 cups powdered sugar
- 2 –3 tbsp heavy cream or milk
- 1 tsp vanilla extract
- Pinch of salt
- Pink food coloring gel preferred
- Decorations optional:
- Heart-shaped sprinkles
- Sliced strawberries
- Mini chocolate hearts
Instructions
- Prep:
- Preheat oven to 350°F (175°C). Line a 12-cup muffin tin with cupcake liners.
- Make the cupcakes:
- In a bowl, whisk flour, baking powder, and salt.
- In another large bowl, beat butter and sugar until light and fluffy (about 2-3 minutes).
- Add eggs one at a time, beating well after each. Mix in vanilla.
- Gradually add dry ingredients, alternating with milk. Mix until just combined.
- Divide batter evenly among liners (about ¾ full).
- Bake 18–20 minutes, or until a toothpick inserted in the center comes out clean.
- Cool completely on a wire rack.
- Fill the cupcakes:
- Once cooled, use a knife or cupcake corer to remove a small center from each cupcake.
- Spoon in about 1 tsp of strawberry jam and replace the tops (trimmed if needed).
- Make the frosting:
- Beat butter until creamy (2 minutes).
- Gradually add powdered sugar.
- Add vanilla, salt, and 2 tbsp cream. Beat until fluffy. Add more cream if needed.
- Tint with pink food coloring until desired shade is reached.
- Decorate:
- Pipe or spread frosting onto cupcakes. Add heart sprinkles or toppings of your choice.
Conclusion
There’s something incredibly heartwarming about baking. It’s cozy, creative and when it’s for someone you care about it’s full of meaning. Sweetheart Cupcakes aren’t just dessert they’re a gesture. A soft, sweet, sprinkle covered way of saying, “Hey, you matter.”
So go ahead tie on your apron, crank up some love songs and bake your heart out. Whether it’s Valentine’s Day, your best friend’s birthday or just a rainy Sunday afternoon these cupcakes are guaranteed to spread joy. And if you eat three in one sitting? Don’t worry. We’ve all been there.