Cadillac Margarita Recipe: Now an Official IBA Cocktail, Made the Right Way

The Cadillac margarita isn’t just a fancier margarita anymore. In November 2024, the International Bartenders Association formally added it to its official cocktail list under the name “Grand Margarita,” placing it in the same recognized category as drinks like the Jungle Bird and the Porn Star Martini. That’s a real distinction: only two margarita variations have ever earned a place in the cocktail canon this way, this one and the Tommy’s Margarita.

Most recipes for it, including my own earlier version of this page, skip the one technique that actually defines the drink: floating the orange liqueur on top instead of shaking it in. It’s a small change, but it’s the difference between a margarita that merely uses better ingredients and one that’s actually built the way it’s supposed to be. Here’s the corrected recipe, and the real history behind why the float matters.

What Is a Cadillac Margarita?

A Cadillac margarita swaps out the standard triple sec for a premium orange liqueur, almost always Grand Marnier, a cognac-based liqueur, rather than Cointreau or basic triple sec, and traditionally serves it as a float on top of the drink rather than mixed straight in. That float is what gives the classic Cadillac margarita its signature golden gradient and lets you taste the tequila and lime first, with the richer orange liqueur arriving in the same sip only as it sinks and blends in.

Since the IBA’s 2024 recognition, “Grand Margarita” is the closer-to-official name, with “Cadillac margarita” as the name most people actually search for and order at a bar.

Where the Cadillac Margarita Actually Comes From

There are two competing origin stories, and neither is fully settled.

The name traces back to the Cadillac Bar, a cantina in Nuevo Laredo, Mexico, whose San Antonio branch opened in 1974 and built a following along the Texas border. A drink called the “Cadillac Margarita” shows up by name in the 1979 Playboy Bartender’s Guide, though that early version used cranberry liqueur, not Grand Marnier, and barely resembles what’s served today.

The modern recipe took shape in Southern California in the early 1980s, at the El Torito restaurant chain founded by WWII veteran Larry Cano in Encino. El Torito is credited with popularizing the swap from triple sec to Grand Marnier, and by 1987 a Montreal Gazette writeup of the recipe, crediting El Torito’s Woodland Hills location, was the first published version to call for floating the Grand Marnier on top rather than mixing it in. El Torito trademarked the name by 1991. A separate, later story places its debut at Spago in Los Angeles in 1989, tied to the launch of Patrón tequila, a nice story, though the paper trail favors El Torito’s earlier version.

Either way, the float technique is the one detail nearly every historical account agrees on, which is exactly the step most modern recipes, including the one previously on this page, quietly drop.

Cadillac Margarita Recipe

Ingredients:

• 2 oz tequila (reposado for a warmer, rounder flavor; blanco if you want it crisper)
• 1 oz fresh lime juice
• ¼–½ oz agave syrup, to taste
• 1 oz Grand Marnier (Cointreau works if you prefer a cleaner, less cognac-forward finish)
• Ice
• Lime wheel for garnish
• Salt for the rim (optional)

Instructions:

1. Prepare the glass. Run a lime wedge around the rim of a rocks glass and dip in salt, if using. Fill the glass with ice.
2. Shake the base. Combine the tequila, fresh lime juice, and agave syrup in a shaker with ice. Shake for about 15 seconds.
3. Strain over ice. Strain into your prepared glass.
4. Float the Grand Marnier. Pour it slowly over the back of a spoon held just above the surface of the drink, so it settles on top rather than mixing straight in. It will gradually sink and blend as the drink sits, that shifting color is part of the experience, not a flaw.
5. Garnish with a lime wheel and serve immediately.

If you’d rather stir the float in right away for a fully blended drink, that’s a legitimate choice too, some of the sources behind this recipe do it that way. But the float is the traditional method, and it’s worth trying at least once before deciding you prefer it stirred.

Why Reposado Instead of Blanco

Most margarita recipes default to blanco tequila. For a Cadillac specifically, reposado is worth considering: its light oak aging adds vanilla and caramel notes that echo Grand Marnier’s own cognac base, so the two ingredients reinforce each other instead of competing. Blanco still works if you want a sharper, more agave-forward drink, it’s a matter of preference, not a rule.

A Note on Calories

Difford’s Guide estimates a standard Cadillac margarita at around 177 calories per serving, noticeably lower than a version made with a larger 2:1:1 pour and no dilution management, since the calorie count is driven mostly by tequila and liqueur volume rather than any specific ingredient. Treat that as a ballpark, not an exact figure; it shifts with your exact pour and liqueur choice.

Troubleshooting the Float

The float sinks too fast to notice. Pour it more slowly and hold the spoon closer to the surface; speed and height are what create the layer.

The drink tastes too rich or heavy. Cut the agave syrup first; Grand Marnier is already sweeter than triple sec, so an unadjusted classic ratio can push the drink too far in that direction.

It tastes more like a cognac drink than a margarita. Swap in Cointreau, which has a cleaner, less dominant orange flavor than Grand Marnier’s cognac base.

If you want the broader troubleshooting guide for margaritas generally, too sour, too watery, too strong, that’s covered in the classic margarita recipe guide; this page focuses on what’s specific to the Cadillac style.

Party Batching

For about 8 servings:

• 16 oz tequila
• 8 oz Grand Marnier
• 8 oz fresh lime juice
• 2–4 oz agave syrup, to taste

Combine the tequila, lime juice, and agave ahead of time and chill. Keep the Grand Marnier separate and float it into each glass at serving time, batching it in with the rest loses the layered effect entirely.

References

adillac Margarita & Ingredient Information

Cocktail recipe and style with Grand Marnier float

Margarita vs Cadillac Margarita

List of IBA Official Cocktails, Wikipedia

Muhammad Hussain

Muhammad Hussain is the creator of MargaritaLab.com, where he tests and analyzes margarita recipes, ingredients, and techniques to help readers make better drinks at home. Over time, he has experimented with different tequila types, lime juice variations, and store-bought mixes to understand what actually makes a balanced margarita.
His approach combines hands-on testing with detailed research, focusing on real-world results rather than theory. Whether comparing fresh vs bottled lime juice or reviewing popular margarita mixes, his goal is to simplify the process and share what truly works.