Walnut Toffee

Prep: 15 min Cook: 20 min Serves: 12 Cuisine: American

Crunchy walnut toffee with a rich caramel flavor, topped with chocolate and extra walnuts, perfect for satisfying sweet tooth cravings and ideal for sharing during holidays.

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Ingredients

  • 1 cup butter
  • 1 cup sugar
  • 1 tablespoon Karo syrup
  • 3 tablespoons water
  • 1 1/2 cups black walnuts

Instructions

  1. Butter a 9-inch square pan and set aside.
  2. Melt the butter in a bowl.
  3. Gradually stir in the sugar.
  4. Add Karo syrup and water to the mixture.
  5. Cook over medium heat to 290°F (hard crack stage).
  6. Add 1 cup of black walnuts and cook for an additional 3 minutes.
  7. Pour the mixture into the buttered pan and let it harden.
  8. Once hardened, remove from the pan and place on wax paper.
  9. In a separate pan, melt the chocolate chips and spread half of it over the toffee.
  10. Sprinkle half of the remaining walnuts on top of the chocolate.
  11. Allow the chocolate to harden, then turn the toffee over and repeat the chocolate and walnut layering.
  12. Break the finished toffee into pieces.

Tips & Substitutions

To achieve the perfect hard crack stage at 290°F, use a candy thermometer for accuracy. If black walnuts are unavailable, you can substitute with pecans or regular walnuts. For added flavor, consider adding a pinch of sea salt to the mixture before it hardens. This recipe is a great way to impress guests, especially when paired with Best Macaroons for dessert.

Serving Suggestions

Serve walnut toffee as a delightful treat during holiday gatherings or as a sweet snack. It pairs beautifully with coffee or hot cocoa. Consider serving it alongside Chocolate Chip Shortbreads for a varied dessert platter, or package it as a homemade gift for friends and family.

Storage & Reheating

Store leftover walnut toffee in an airtight container at room temperature for up to two weeks. To prevent sticking, layer pieces with wax paper. If you want to refresh the texture, briefly reheat in the oven at a low temperature for about 5 minutes, but be careful not to melt the chocolate.

Nutrition & Diet Analysis (per serving)

Each serving of Walnut Toffee contains roughly 431 calories, with 6g protein, 8g carbohydrates, and 43g fat. It is a good source of protein (12% of the Daily Value).

431 kcal 22% DV
Protein Fat Carbs

Macronutrients

Protein 5.8g 12% DV
Total Fat 43.1g 55% DV
Carbs 8.3g 3% DV
Fiber 2.4g 9% DV
Sugar 1.1g 2% DV

Electrolytes

Sodium 6.8mg
Potassium 178.3mg 4% DV
Cholesterol 90.2mg 30% DV

Vitamins & Minerals

Vitamin A 0.4mcg
Vitamin C 7.7mg 9% DV
Calcium 21.2mg 2% DV
Iron 0.9mg 5% DV
Diet fit Keto-friendly
Contains Milk Tree nuts

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 different types of nuts in this recipe?

Yes, you can substitute black walnuts with pecans, almonds, or even peanuts. Each nut will impart its unique flavor, which can enhance the overall taste of the toffee.

What should I do if my toffee doesn't harden?

If your toffee doesn't harden, it may not have reached the correct temperature. Reheat it gently over low heat, adding a little water to help it melt and then re-cook it to the hard crack stage at 290°F.

How can I make this recipe more festive?

To add a festive touch, consider drizzling melted white chocolate over the hardened toffee and sprinkling crushed peppermint candy or holiday-themed sprinkles on top. This not only enhances the visual appeal but also adds a delightful flavor contrast.

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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