Heather's Toasted Pecan Toffee

i wasn't able to procure the photo from the website. but follow the link at the bottom of the page to see it. looks super delicious :)

FROM 101 COOKBOOKS (101Cookbooks.com)
1cup butter, cut into chunks
1 1/2cups granulated sugar
3tbsps corn syrup
3tbsps water
2cups well-chopped pecans, toasted (divided)
1/2lbs (8oz) chocolate, cut into chunks - milk, semi, or bittersweet
Directions:
1) Cover a baking sheet with wax paper & set aside.
2) In a medium, thick-bottomed saucepan over medium/med-low heat add the butter. Wait a minute or two until the butter really starts to soften melt.
3) Stir in the sugar, corn syrup, & water. Cook, stirring regularly until the mixture is bubbling (lava-style) & the candy thermometer hits 300F degrees.
4) Remove from the heat & stir in one cup of the pecans.
5) Pour the hot toffee out onto the prepared baking sheet. Depending on hot thick you like your toffee, spread it out into a round 10-12inches wide. Set it aside to cool.
6) While the toffee is cooling go ahead & melt half the chocolate - Heather uses a microwave in 20sec bursts or you can use a double boiler. Be sure the toffee has set up a bit before you spread the melted chocolate over the top.
7) Immediately sprinkle with 1/2cup of the remaining pecans. Wait 20min, or until the chocolate has firmed up. Carefully flip the toffee over.
8) Melt the remaining chocolate & spread on the second side - sprinkle with the remaining 1/2 cup of pecans. Let cool.
9) I've seen people break brittle or toffee into big shards by smacking the baking pan on the counter. If this doesn't work for you, break the toffee into pieces by (carefully) using a knife or ice pick to break of pieces.

http://www.101cookbooks.com/archives/000893.html