Seth Allen: Classic-Style Rum and Ginger Ale Collins Highball

The Seth Allen keeps the highball formula straightforward: rum, ginger ale, plenty of ice, and a gentle stir. The rum provides warmth and depth while the ginger ale adds sweetness, spice, and carbonation. This Seth Allen recipe is quick enough for an everyday mixed drink but still gives you room to change the rum style or garnish to suit the occasion.

Background

Boozeopedia's current recipe record does not identify a documented creator, place of origin, or specific era for the Seth Allen. Its structure follows the familiar spirit-and-carbonated-mixer highball format: a measured pour of liquor lengthened with a fizzy mixer and served tall over ice. Rum and ginger are a natural pairing because the mixer brightens the spirit while adding gentle spice.

What You'll Need

Ingredients

• Rum - provides the alcoholic backbone, with the exact flavor depending on the rum style you choose.
• Ginger Ale - lengthens the drink with sweetness, mild ginger spice, and carbonation.

No ginger ale? Ginger beer works for a stronger, spicier drink, though it will noticeably change the profile.

Equipment

• Collins glass
• Jigger
• Bar spoon
• Ice

Why This Two-Ingredient Highball Works

The appeal is the contrast between rum's richer sugarcane character and ginger ale's light carbonation. The mixer stretches the spirit without covering it up, while its mild ginger note gives the drink more personality than plain soda. Because the recipe is so simple, the choice of rum makes a noticeable difference.

Substitutions & Variations

• Use light rum for a cleaner, lighter highball.
• Try aged or dark rum for more caramel, oak, and molasses character.
• Replace ginger ale with ginger beer for more pronounced ginger heat.
• Add a squeeze of fresh lime for extra acidity.
• Garnish with a lime wedge when you want a brighter citrus aroma.

Helpful Tips

• Fill the glass generously with ice before adding the ingredients.
• Add the ginger ale last to preserve as much carbonation as possible.
• Stir only briefly after topping.
• Chill the ginger ale beforehand so the ice melts more slowly.
• For several servings, measure the rum into individual glasses ahead of time, then add ice and ginger ale immediately before serving.
• Pair with salty snacks, grilled foods, or simple seafood dishes.