'GMA' Frugal Foodie: Cracking the chocolate code

ABC News' Becky Worley finds out what experts say really makes a good bar of chocolate and how to read the labels.
3:37 | 02/14/17

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Transcript for 'GMA' Frugal Foodie: Cracking the chocolate code
Valentine's day edition of new series "Gma's" frugal foodie. Americans are expected -- are you ready for this -- to spend $18 billion this Valentine's day. Yeah, 18 billion and chocolate is one of the most popular gives so do you need to spend a lot to get good quality chocolate? That's why Becky Worley is here. You know me. I'm frugal. I'm so frugal. So, what is the sweet spot to buy a bar of chocolate? Hmm. Let's find out. Reporter: Walls of bars, shiny wrappers, chocolate has gone artisanal. At dandelion they take it from bean to bar. It does not smell like chocolate. Reporter: This is a full chocolate production factory. These are the grinders that looks like chocolate and it smells like chocolate. Yeah. I'm driving the chocolate. You are. Stop. Go. Oh, my gosh. I think if a chocolate bar costs 2 buck, maybe a high-end one 7 bucks. No, you can go as high as 20. 20? Reporter: You may think it correlates with the percentages correlated on the wrapper. Chocolatier Pam Williams says don't be fooled. It only tells you how sweet it is. It does not tell you quality at all. Reporter: F example, 70% means 70% of the bar is cacao or cocoa bean, the rest sugar so 90% cacao is bitter. 70% sweeter. You can make a 70% bar from ally not so good-tasting beans. Reporter: So we've devised the world's greatest blind taste test. Love chocolate. Reporter: Three bars all about 70% caca:costing $3, $7 and $11. To taste, nine testers. Liked how sweet number one was. Number two my favorite. I'm ray chocolate 2k3w5guy. I want the whole thing. 3 was very good. Cut above the rest. Surprise. That's the $3 bar while Lou liked it, most didn't. It got the fewest votes. Our $11 came in second place and our midrange $7 bar won the day. A good chocolate is think of wine. It's the one you love. So it's very personal. It's very personal. Mm-mm. For buying, a good bar of chocolate, very specific. Look at it. It should be shiny and not have any imperfections. Secondly, smell it. What does it smell to you. It smells like chocolate. Smells good. Nutty, raspberry or -- earthy. Then, list. Oh. It should snap. So that's how you find a good bar of dark chocolate. How much did you love doing this piece. I ate such chocolate. Oh, my god. Whoa. Coming out my more popores. There's a code. Hershey and Russell stover sent us some. Let's start with Hershey. If you have a square chocolate in the box, we want to make sure you get what you like. Square is caramel. Or caramel. Caramel or caramel. Either way. It's good. Words. You got 20 seconds. Next one up, all right. What do we have here? Russell stover. If it's round and pillowy, it's marshmallow. If it's rectangular and high it's noug gat. I can't even say the word. I can't eat that and toffee is

This transcript has been automatically generated and may not be 100% accurate.

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