This was a big hit this Christmas, so thought I'd better post it!
Source: America’s Test Kitchen
Time: 1½ hours
Yield: About 1½ pounds (Serves 24)
Ingredients
Toffee Base
- 8
tablespoons unsalted butter
- ½ cup
water
- 1 cup
(7 oz / 198 g) sugar
- 3
tablespoons corn syrup
- ¼
teaspoon salt
- 1½
cups pecans or walnuts, toasted and chopped (divided)
Chocolate Coating
- 8
ounces (227 g) semisweet chocolate, chopped fine (divided)
Before You Begin
- You’ll
need a thermometer capable of reading high temperatures.
- A
greased aluminum‑foil sling is essential for removing the sticky toffee
from the pan.
Instructions
1. Prepare the Pan
- Create
a foil sling using two sheets of foil, 13 and 9 inches wide
- Make
a sling, spray with vegetable oil spray.
2. Cook the Toffee
- Heat
butter and water in a medium saucepan over medium‑high until melted.
- Add
sugar, corn syrup, and salt.
- Bring
to a boil and cook without stirring until sugar dissolves and syrup
turns faintly golden (10–14 minutes).
- Reduce
heat to medium‑low; cook, swirling gently, until amber and 310–320°F* (2–4
minutes).
- Remove
from heat and stir in ½ cup nuts (or more!).
- Pour
into prepared pan and smooth into an even layer.
- Cool
to room temperature (about 30 minutes).
3. Coat the First Side with Chocolate
- Microwave
3 oz chocolate at 50% power, stirring often, until two‑thirds melted (1–2
minutes).
- Add 1
oz chocolate and stir until fully melted (microwave in 5‑second bursts
only if needed).
- Spread
over cooled toffee.
- Sprinkle
with ½ cup nuts and press lightly.
- Refrigerate
uncovered until set (about 15 minutes).
4. Flip and Coat the Second Side
- Line a
baking sheet with parchment.
- Lift
toffee from pan using foil sling; invert onto sheet and remove foil.
- Repeat
chocolate‑melting process with remaining 4 oz chocolate.
- Spread
over toffee; top with remaining ½ cup nuts.
- Refrigerate
uncovered until set (about 15 minutes).
5. Finish
- Break
into rough squares and serve.
- Store
at room temperature for up to 2 weeks.


