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Everyone will love these Lemon Cupcakes with pudding cream filling and blueberry cream cheese frosting! The combination of tart lemon cake, creamy pudding filling, and sweet blueberry cream cheese frosting creates a delicious flavor profile combination that will delight a crowd. Made using box cake mix the cupcakes are soft, fluffy, and easy to make. The filling is made with only two ingredients and the frosting has 3!

The bright yellow color of the lemon cake and the vibrant blueberry frosting creates an eye-catching dessert that is perfect for special occasions or just a fun treat. You can substitute the filling and frosting with anything you want too. Use chocolate, vanilla, double lemon, marshmallow cream, the ideas are endless. For me though, I adore the taste of lemon cupcakes with pudding cream filling and blueberry cream cheese frosting.

Custard Filled Lemon Cupcakes Using Cake Mix Recipe

More cupcakes to try: Easy Chocolate Orange Cupcakes

Why You Will Love Custard Filled Lemon Cupcakes Using Cake Mix

Super easy box cake mix recipe with instructions
Easily customizable in regards to all aspects of this dessert, the cake, filling, and frosting flavors
Perfect for a special occasion like a birthday or party yet still excellent for any day of the week
They smell so good with the lemony scent

What’s The Filling Made Of?

All you need to make the filling for these Custard Filled Lemon Cupcakes Using Cake Mix is 2 Vanilla Pudding Snack Packs (2 individual cups), 1 Cup White Melting Candies – See the full recipe here.

This versatile 2-ingredient cupcake (or cake) filling is not only delicious but also an excellent choice for enhancing the taste of various baked goods. Besides being a filling, it can also be used as a frosting, glaze, icing, combined with fruit, and much more!

What Frosting Should I Use?

3 Ingredient Blueberry Cheesecake Frosting recipe

Many flavors of frosting go well with Custard Filled Lemon Cupcakes Using Cake Mix like vanilla, marshmallow, chocolate, or even strawberry or lemon. For these I am using blueberry cheesecake frosting. It only requires 3 simple ingredients: 8 oz Blueberry Creamcheese, 16 Vanilla Frosting, and 2 tbsp Blueberry Jelly Or Pie Filling. See the full recipe in detail here.

Baking Tips & Hacks

Here are some baking tips and hacks for Lemon Cupcakes with pudding cream filling and blueberry cream cheese frosting!

Create custom flavors by adding extracts or spices: You can add a teaspoon or two of your favorite extract or spice to the cake mix. For example, add some lemon extract to intensify the lemon flavor, or some cinnamon or nutmeg for a warm and spicy twist.
Make the cupcakes moist: To make the cupcakes extra moist, substitute the water with buttermilk or add a small amount of Greek yogurt.
Create a professional-looking frosting: You can make your frosting look like it was professionally piped by using a ziplock bag. Fill the bag with the frosting, snip off the corner, and pipe the frosting onto the cupcakes. You can also use a frosting tip.
Add some crunch: You can add some texture to the cupcakes by topping them with a sprinkle of chopped nuts, crushed cookies, or even some toasted coconut.
Serve chilled: Serve the cupcakes chilled. Simply pop them in the fridge for a few hours.

How Much Does This Dessert Cost To Make?

The cost of the Custard Filled Lemon Cupcakes Using Cake Mix ingredients will vary depending on the brand and location. However, here’s an approximate breakdown of the cost of each ingredient:

Box Lemon Cake Mix: $1.50 – $3.50
3 Eggs: $0.25 – $0.75
1/2 cup oil: $0.20 – $0.40
1 cup water: negligible cost
2 cups vanilla custard filling: $2.50 – $5.00 (assuming you use a store-bought mix or pre-made custard)
2 cups frosting of your choice: $2.50 – $5.00 (assuming you use a store-bought mix or pre-made frosting)

Therefore, the total cost of the ingredients for this recipe would be around $9.45 – $18.15, depending on the brand and location.

What Ingredients Do I Need?

Box Lemon Cake Mix
3 eggs
½ cup oil
1 cup water
2 cups vanilla custard filling (see 2 ingredient filling recipe)
2 cups frosting of your choice (I used blueberry cheesecake frosting see 3 ingredient recipe)

How Do I Make Them?

Combine cake mix, eggs, oil, and water in your stand mixer and mix for 5 minutes or so until batter is smooth and creamy
Line cupcake pan with cupcake liners
Pour batter into liners ¾ of the way up
Chill for 30 minutes
Preheat oven to 350 degrees F
Bake for 15 – 18 minutes
Let them chill for 30 minutes before filling and frosting