Learn how to make diplomat cream, a light and creamy filling made by combining rich custard cream with whipped cream. Perfect for filling pastries like eclairs, cream puffs, and donuts, this versatile cream adds a silky, elegant touch to any dessert.

vanilla diplomat cream in a bowl

What is Diplomat Cream?

Diplomat cream is this super dreamy blend of pastry cream and whipped cream, giving you the best of both worlds. It’s lighter and fluffier than traditional custard but still rich enough to be the perfect filling for eclairs, cream puffs, and they’re a must try in nama donuts! It just makes any dessert feel a little extra special!

Ingredients

This is everything you’ll need to make diplomat cream:

  • Custard Cream (Pastry Cream): 1 recipe, chilled. This custard cream contains vanilla, whole milk, eggs, sugar, corn starch and/or cake flour.
  • Heavy Cream: 120-150 ml, whipped to soft peaks
  • Sugar: 1 tbsp (optional, for sweetening the whipped cream)

How to Make Diplomat Cream

To make diplomat cream, start by preparing your custard cream and chilling it. Once ready, simply whip the heavy cream until soft peaks form, then gently fold it into the chilled custard cream until combined. This two-step process allows you to make the custard cream ahead of time, making it easy to whip up the diplomat cream whenever you need it!

Top recipe tips

  1. Chill Your Custard: Ensure your custard cream is completely cooled and chilled before folding in the whipped cream. This helps maintain the cream’s light texture and prevents it from becoming too runny.
  2. Gentle Folding: When combining the whipped cream with the custard, use a gentle folding motion rather than vigorous stirring. This helps preserve the airy texture of the whipped cream, resulting in a lighter diplomat cream.
  3. Stability Boost: If you plan to use the diplomat cream for a more extended period or in warmer environments, consider adding a small amount of gelatin (dissolved in water) to stabilize the whipped cream, ensuring it holds its shape and texture longer.

How to Use Diplomat Cream (Recipes)

I can eat diplomat cream right out of the bowl, its that good. But here are some really delicious ways to use it in other desserts!

  1. Filling Pastries: Use diplomat cream to fill eclairs, cream puffs, and profiteroles. Simply pipe the cream into the pastries using a piping bag fitted with a round tip for a neat finish.
  2. Filling in donuts: Try it in my nama donuts or vegan donut recipe!
  3. Layering in Cakes or frosting: Spread diplomat cream between layers of cake for added moisture and richness. It pairs wonderfully with sponge cakes and fruit cakes. Depending on how many layers there are to the cake, you may need to create a wall using a firm buttercream so that it does not spill from the edges. If you’re looking for a lighter frosting option, diplomat cream can be used to frost cakes and cupcakes, providing a creamy finish without being overly heavy. When making it for a frosting, use a bit more corn starch to firm up the custard and use stabilized whip cream with gelatin.
  4. Tarts and Pies: Spoon diplomat cream into pre-baked tart shells or pie crusts for a creamy filling. You can top it with fresh fruits or a drizzle of chocolate for an facy dessert.
  5. Trifles: Layer diplomat cream with cake pieces and fruit in a glass dish to create a beautiful trifle. This makes for a stunning presentation at gatherings.
  6. As a Topping: Use diplomat cream as a light topping for desserts like brownies, cupcakes, or mousse. Pipe it on top for a decorative touch.

How to Store Diplomat Cream

Store diplomat cream in an airtight container in the refrigerator. It’s best consumed within 1-2 days for the freshest taste and texture. I do not recommend freezing it, as this can affect the cream’s consistency. But you can make the custard cream ahead of time which freezes well!

Flavour Variations

Here are some delicious flavor variations for diplomat cream to elevate your desserts:

  1. Chocolate: Incorporate 2-3 tablespoons of cocoa powder or melted dark chocolate into the custard cream before folding in the whipped cream for a rich chocolate diplomat cream.
  2. Coffee: Mix in 1-2 tablespoons of instant coffee granules or brewed espresso into the custard cream for a delightful coffee flavor.
  3. Citrus: Add the zest of a lemon, lime, or orange to the custard cream for a bright, refreshing citrus twist.
  4. Almond: Use almond extract instead of vanilla for a nutty flavor, or fold in finely ground almonds for texture.
  5. Matcha: Stir in 1-2 teaspoons of matcha powder to the custard cream for a vibrant green tea flavor that’s perfect for Japanese desserts.
  6. Fruit Purees: Fold in 2-3 tablespoons of fruit puree (like raspberry, strawberry, or passion fruit) to the custard cream for a fruity diplomat cream.
  7. Liqueurs: Incorporate a splash of your favorite liqueur, such as Grand Marnier or Amaretto, into the custard cream for an adult twist.

FAQ

How do I make a more stable diplomat cream?

Add gelatin! To add gelatin to your diplomat cream for extra stability, start by blooming 1/2 teaspoon of gelatin in 1 tablespoons of cold water for about 5-10 minutes until it becomes sponge-like. Then, gently heat the bloomed gelatin in the microwave for 10-15 seconds or over a double boiler until it melts, being careful not to boil it. Allow the melted gelatin to cool slightly, then mix it into the whipped cream before folding it into the chilled custard cream. This ensures that your diplomat cream holds its shape beautifully, making it perfect for filling pastries.

Can I flavor diplomat cream?

Yes, you can add flavors like cocoa powder, matcha powder or fruit purees to the pastry cream before folding in the whipped cream. This allows you to customize the diplomat cream to complement your desserts.

Can I make diplomat cream in advance?

Yes, you can make diplomat cream in advance! Prepare the custard cream ahead of time and chill it. When you’re ready to use it, simply whip the cream and fold it into the chilled custard. For best results, use the diplomat cream within a day for optimal texture.

How to make dairy free diplomat cream?

Make the custard cream with dairy free or plant based creams, milks and butters. Note that depending on the type of heavy cream used, it may change the flavour (ie. coconut).

How to make vegan diplomat cream?

Make a eggless and dairy free custard cream (see suggestions in my custard cream recipe) and replace the heavy whipping cream with a plant based alternative.

Enjoy!! If you make this Diplomat Cream recipe, let me know! Leave a comment, rating and if you decide to share it on socials, tag me on instagram @Okonomikitchen. I’d love to hear from you!

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diplomat cream in a bowl with a spoon

Diplomat Cream (Crème Diplomate)


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  • Author: Lisa Kitahara
  • Total Time: 10 minutes
  • Yield: 1 1/2 cups
  • Diet: Vegetarian

Description

Learn how to make diplomat cream, a light and creamy filling made by combining rich custard cream with whipped cream. Perfect for filling pastries like eclairs, cream puffs, and donuts, this versatile cream adds a silky, elegant touch to any dessert.


Ingredients

Units
  • 1 recipe of custard cream or 1 cup (250 g) custard cream
  • 120150 ml heavy cream
  • 1 tbsp (12 g) granulated sugar

Instructions

  1. Prepare the Custard Cream: Ensure your custard cream is completely cooled and thickened in the fridge before you start.
  2. Whip the Heavy Cream: In a large mixing bowl, pour the heavy cream. Add 1 tbsp of granulated sugar. Using an electric mixer or a whisk, whip the cream until soft peaks form. Be careful not to overwhip, as it can turn into butter. You want the cream to be light and airy.
  3. Combine Whipped Cream and Custard: Gently fold the whipped cream into the chilled custard cream. Start by adding a small amount of whipped cream to lighten the custard, then fold in the rest gently using a spatula. Continue folding until the mixture is smooth and well combined.
  4. Chill the Diplomat Cream: Once combined, place the diplomat cream in the fridge for about 15-30 minutes to allow it to set slightly before using it for piping or filling pastries.
  • Prep Time: 10 minutes
  • Category: Dessert
  • Method: No cook
  • Cuisine: American

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Konnichiwa

About Lisa

I'm Lisa, a home cook, recipe developer and founder of Okonomi Kitchen. Here, you'll find a mix of classic and modernized Japanese recipes, and creative, plant-forward meal inspiration using seasonal ingredients. I hope to share more about Japanese cuisine and culture through food and recipes.


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