Although the drink is 99 percent sugar water, that other 1 percent is the key to the drink's unique taste. The tangy citrus flavors, from lime juice, citrus oils, and citric acid (today the citric acid has been replaced with phosphoric acid), was used by pharmacist John Pemberton to overcome the inherent unpleasant bitterness of cocaine and caffeine. Even after removing the cocaine from the drink, it was still necessary to conceal the ghastly flavor of kola nut and coca leaf extract from the taste buds with the sweet, tangy syrup.

To make an accurate clone of Coca-Cola at home, I started with the medicinal ingredient, probably just as John did. But rather than harvesting kola nuts, we have the luxury of access to caffeine pills found in any grocery store or pharmacy. One such brand is Vivarin, but it is yellow in color with a thick coating and it tastes much too bitter. NoDoz, however, is white and less bitter, with a thinner coating. Each NoDoz tablet contains 200 milligrams of caffeine, and a 12-ounce serving Coke has 46 milligrams in it. So, if we use 8 NoDoz tablets that have been crushed into powder with a mortar and pestle (or in a bowl using the back of a spoon) we get 44 milligrams of caffeine in a 12-ounce serving, or 36 milligrams in each of the 10-ounce servings we make with this recipe. 

Finding and adding the caffeine is the easy part. You'll probably have more trouble obtaining Coke's crucial flavoring ingredient: cassia oil. I was hoping to leave such a hard-to-get ingredient out of this recipe, but I found it impossible. The unique flavor of the Coke absolutely requires the inclusion of this Vietnamese cinnamon oil (usually sold for aromatherapy), but only a very small amount. You'll find the cassia oil in a health food store (I used the brand Oshadhi), along with the lemon oil and orange oil. The yield of this recipe had to be cranked up to 44 10-ounce servings since these oils are so strong—just one drop is all you'll need. Find them in bottles that allow you to measure exactly one drop if you can. If the oils don't come in such a bottle, buy eyedroppers at a drug store. Before you leave the health food store, don't forget the citric acid.

This recipe, because of the old-fashioned technique of adding the syrup to soda water, creates a clone of Coke as it would taste coming out of a fountain machine. That Coke is usually not as fizzy as the bottled stuff. But if you add some ice to a glass of bottled Coke, and them some of this cloned version, the bubbles will settle down and you'll discover how close the two are. You can keep the syrup in a sealed container in the fridge until you are ready to mix each drink with soda water. 

Because subtle differences in flavor can affect the finished product, be sure to measure your ingredients very carefully. Use the flat top edge of a butter knife to scrape away the excess sugar and citric acid from the top of the measuring cup and teaspoon, and don't estimate on any of the liquid ingredients.

Source: Top Secret Recipes: Sodas, Smoothies, Spirits & Shakes by Todd Wilbur.

When sales of this once limited-offering sandwich exceeded expectations, Wendy's made it a permanent menu item. Now you can re-create the spicy kick of the original with a secret blend of spices in the chicken's crispy coating. Follow the same stacking order as the original, and you will make four sandwich clones here at a fraction of the cost of the real thing.

Source: Even More Top Secret Recipes by Todd Wilbur.

Need a recipe that copies Shake 'N Bake in a pinch? Here's the TSR solution for a quick clone that will give you the same texture and flavor of Kraft Shake 'N Bake using very common ingredients. You may notice the color is a bit different in this clone when compared to the real thing. That's because this recipe doesn't include beet powder—a hard to find ingredient that lends a red/orange tint to the original. But after you sink your teeth into the chicken baked the same way as described on the Shake 'N Bake box you'll swear it's the same stuff. When you're ready to get shaking and baking, use this breading on 2 1/2 pounds of chicken pieces or on 2 pounds of boneless, skinless chicken breasts.

Source: Even More Top Secret Recipes by Todd Wilbur.

Menu Description: "Tender, select-cut pork spare ribs basted with our special-recipe sauce. Nothing could be finer..."

This smoky sauce is perfectly sweetened with honey and molasses, and it bites just a bit with pepper sauce. Smother pork spareribs, baby back ribs and beef ribs with the sauce, as they do at the restaurant. Use the cooking technique from here to make the ribs.

Source: Top Secret Restaurant Recipes by Todd Wilbur.

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Menu Description: "One part lime. Two parts cherry. All blended with ice-cold Sprite." 

Denny's Fusion Favorites are creative drink mixes blended from the chain's soda fountain with a variety of added fruit flavors. The secret ingredients in these trademarked drinks are the flavored syrups dispensed from giant squirt bottles next to the soda machines, but I discovered that we can easily recreate these syrups using Kool-Aid drink mix powder. For this drink, that is the top choice on the Fusion Favorites menu, dissolve the Kool-Aid mix into a little lime juice for a cherry/lime syrup that can be stirred into a blend of Sprite and Minute-Maid lemonade. And if you want to significantly reduce the calories in this drink, use diet Sprite and light Minute-Maid lemonade and you can hardly tell the difference.

Source: Top Secret Restaurant Recipes 3 by Todd Wilbur.