Microwave Custard Sauce

Prep: 5 min Cook: 7 min Serves: 2 Cuisine: American

Creamy microwave custard sauce with sweet vanilla flavor, perfect for drizzling over desserts or fruit, quick to prepare and ideal for a comforting treat.

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Ingredients

  • 3 Tbsp. sugar
  • 2 Tbsp. flour
  • 1 1/2 cups milk
  • 2 egg yolks
  • 1 tsp. vanilla extract

Instructions

  1. In a 1-quart glass measuring cup, combine sugar and flour gradually.
  2. Stir in milk.
  3. Heat on High for 5 to 6 minutes, until sauce is slightly thickened, stirring every 2 minutes.
  4. Quickly stir in beaten egg yolks with a wire whip.
  5. Heat on Defrost for 1 to 2 minutes, until sauce is thickened, stirring after 1 minute.
  6. Stir in vanilla extract.
  7. Chill slightly before serving.

Tips & Substitutions

For a smoother custard, ensure that the milk is added gradually to the sugar and flour mixture to prevent lumps. If you want a richer flavor, consider substituting half of the milk with cream. This sauce can also be enhanced with a pinch of nutmeg or cinnamon if desired. Remember to stir continuously when adding the egg yolks to avoid curdling.

Serving Suggestions

This custard sauce is perfect over desserts like fruit tarts or as a dip for cookies. It pairs beautifully with Luscious Pineapple Squares, adding a creamy contrast to the dessert. You can also serve it warm over pancakes or waffles for a delightful breakfast treat.

Storage & Reheating

Store any leftover custard sauce in an airtight container in the refrigerator for up to 3 days. To reheat, place the custard in a microwave-safe bowl and warm it gently in the microwave, stirring every 20 seconds until heated through. Avoid overheating to maintain its creamy texture.

Nutrition & Diet Analysis (per serving)

Each serving of Microwave Custard Sauce contains roughly 943 calories, with 23g protein, 181g carbohydrates, and 9g fat. It is an excellent source of iron (65% of the Daily Value), protein (46% of the Daily Value), and dietary fiber (22% of the Daily Value), and a good source of calcium and vitamin C. It also contributes 6g of dietary fiber toward your daily target.

943 kcal 47% DV
Protein Fat Carbs

Macronutrients

Protein 23.1g 46% DV
Total Fat 8.8g 11% DV
Carbs 180.6g 66% DV
Fiber 6.1g 22% DV
Sugar 25.4g 51% DV

Electrolytes

Sodium 170.2mg 7% DV
Potassium 404mg 9% DV
Cholesterol 60.7mg 20% DV

Vitamins & Minerals

Vitamin A 106.1mcg 12% DV
Vitamin C 15.9mg 18% DV
Vitamin D 1.1mcg 6% DV
Calcium 246.3mg 19% DV
Iron 11.7mg 65% DV
Diet fit High-protein High-fiber Low-fat
Contains Milk Egg Wheat/Gluten

Estimated from ingredients & per-serving nutrition — verify against package labels for allergies or strict diets.

* % Daily Values based on a 2,000 calorie diet (FDA 2020).

Frequently Asked Questions

Can I use whole eggs instead of just egg yolks?

While you can use whole eggs, the texture will be different. Egg yolks create a richer and creamier custard. If using whole eggs, whisk them together before adding to the mixture to ensure even cooking.

What can I do if my custard sauce is too thin?

If your custard sauce is too thin, you can return it to the microwave and heat it on high for an additional 1-2 minutes, stirring frequently. Alternatively, you can mix a small amount of cornstarch with cold milk and stir it into the sauce, then heat until thickened.

Is it possible to make this custard sauce dairy-free?

Yes, you can use almond milk, coconut milk, or any other dairy-free milk alternative in place of regular milk. Just be aware that the flavor and consistency may vary slightly based on the type of milk used.

Nutrition is estimated from USDA FoodData Central ingredient data and may vary with brand, portion and preparation — see our methodology. This information is for general educational purposes only and is not medical or dietary advice (disclaimer).

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