No Cook Karo Frosting

Prep: 15 min Cuisine: American

A light, fluffy no-cook frosting with sweet egg whites, rich Karo syrup, and vanilla, perfect for decorating pies or layer cakes with a glossy finish.

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Ingredients

  • 4 egg whites
  • 1/2 tsp. salt
  • 1/2 c. sugar
  • 1 1/2 c. Karo syrup (white)
  • 2 1/2 tsp. vanilla

Instructions

  1. Beat egg whites until soft peaks form.
  2. Add sugar one tablespoon at a time, beating until smooth and glossy.
  3. Continue beating and add Karo syrup a little at a time, beating after each addition until frosting peaks.
  4. Fold in vanilla.
  5. Frosts 2 pies or 2 (9-inch) layer cakes.

Tips & Substitutions

For best results, make sure your egg whites are at room temperature before beating, as this helps achieve maximum volume. If you're looking to reduce sugar, consider using a sugar substitute designed for baking, but keep in mind that it may affect the texture. This frosting works wonderfully on cakes like Light And Fluffy Pound Cake or even as a topping for Sugarless Coconut Cream Pie.

Serving Suggestions

This Karo frosting is perfect for topping pies and layer cakes, providing a sweet and glossy finish. It pairs beautifully with rich desserts, such as German Chocolate Crinkle Cookies or layered cakes. For a festive touch, consider garnishing with toasted coconut or colorful sprinkles before serving.

Storage & Reheating

Store any leftover frosting in an airtight container in the refrigerator for up to 3 days. Before reusing, let it come to room temperature and re-whip briefly to restore its texture. Avoid freezing, as the egg whites may separate and become watery upon thawing.

Nutrition & Diet Analysis (per serving)

Each serving of No Cook Karo Frosting contains roughly 348 calories, with 13g protein, 79g carbohydrates, and 0g fat. It is an excellent source of protein (26% of the Daily Value), iron (20% of the Daily Value), and vitamin C (20% of the Daily Value). Note that it is relatively high in sodium, at 1460mg per serving (63% of the Daily Value).

348 kcal 17% DV
Protein Fat Carbs

Macronutrients

Protein 13.2g 26% DV
Total Fat 0.2g
Carbs 78.9g 29% DV
Fiber 2.2g 8% DV
Sugar 66.8g 100% DV

Electrolytes

Sodium 1459.9mg 63% DV
Potassium 350.1mg 7% DV

Vitamins & Minerals

Vitamin C 18.2mg 20% DV
Calcium 33.8mg 3% DV
Iron 3.6mg 20% DV
Diet fit Under 400 cal Low-fat
Contains Egg

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 pasteurized egg whites instead of fresh eggs?

Yes, pasteurized egg whites are a safe alternative to fresh egg whites and can be used in this recipe without compromising the texture. Just use the equivalent amount as indicated in the recipe.

How can I adjust the sweetness of the frosting?

If you prefer a less sweet frosting, you can reduce the sugar by about 25% without significantly affecting the texture. However, be cautious, as this may alter the stability of the frosting.

Can I flavor the frosting differently than vanilla?

Absolutely! You can easily customize the flavor by replacing the vanilla extract with almond extract, lemon juice, or even cocoa powder for a chocolate variation. Just keep in mind that adjusting the flavor may alter the overall sweetness.

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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