What Is an IPA?
An IPA — India Pale Ale — is a style of beer defined by its emphasis on hops, which contribute aromas ranging from citrus and tropical fruit to pine and resin, along with varying levels of bitterness. Originally developed in eighteenth-century England to survive the months-long sea voyage to India through higher hop and alcohol levels, the IPA has since evolved into the most diverse and widely brewed beer style in the world. The defining characteristic across all its variations remains the same: hops are the point.
Where It Came From
British brewers in the eighteenth century faced a practical problem: beer spoiled during the months-long voyage from England to India. The solution was to increase the hop content and alcohol level of the export pale ale significantly. Hops contain alpha acids with natural antimicrobial properties that inhibit bacterial growth, and higher alcohol further discouraged spoilage during transit. The resulting beer was stronger and more heavily hopped than anything typically consumed in England at the time.
Over time the style became known as India Pale Ale, named for its destination rather than its origin. When the beer arrived in India, soldiers and administrators found it to be not just stable but genuinely good — the extra hops had transformed what began as a preservation mechanism into a flavoring philosophy. That accidental discovery is the origin of a style that now commands its own section of virtually every serious tap list and bottle menu in the world.
What Hops Actually Do
Hops are the flowers of the Humulus lupulus plant, used in brewing primarily for bitterness, aroma, and their preservative qualities. Alpha acids in hops isomerize during the boil, contributing bitterness that balances the sweetness of malt. The timing of hop additions determines what they contribute: hops added early in the boil provide bitterness with little aroma, because volatile aromatic compounds boil off. Hops added late in the boil or after fermentation — a technique called dry hopping — contribute intense aroma and flavor with minimal bitterness.
This is why two IPAs can taste radically different. A beer built on early hop additions will be bitter and relatively restrained in aroma. A beer built on late additions and dry hopping will be explosively aromatic — mango, passion fruit, grapefruit, pine, or floral notes — with softer bitterness. Different hop varieties carry different aromatic profiles: Citra for tropical fruit and lime, Mosaic for blueberry and earth, Simcoe for pine and passionfruit, Centennial for floral citrus. The brewer’s hop selection and addition schedule determine the beer’s personality as much as any other decision in the process.
The Main Styles and What Distinguishes Them
West Coast IPA is the style that defined American craft beer in the 1990s and early 2000s. It is typically clear, dry, and built on pronounced bitterness with bright citrus and pine aromas. The malt character is restrained — present enough to provide structure but not sweetness. West Coast IPAs are assertive and clean, designed to showcase hop bitterness and aroma without the softening effect of residual sugar or protein haze.
New England IPA — also called hazy IPA or NEIPA — emerged from New England breweries in the 2010s and shifted the style's center of gravity from bitterness toward aroma and texture. Heavy dry hopping produces intense tropical and stone fruit aromas. Oats and wheat in the grain bill contribute a soft, almost juicy body. The haze is deliberate — suspended proteins and hop compounds that give the beer a pillowy texture and muted bitterness. Where a West Coast IPA is sharp and dry, a NEIPA is lush and fruit-forward.
Double IPA — or Imperial IPA — amplifies the base style with more hops and more malt, producing higher alcohol and more intense flavors in both directions. Session IPA reduces alcohol to below five percent while maintaining hop character, making the style more approachable across a longer meal or a warm afternoon. Milkshake IPA adds lactose for sweetness and body. Brut IPA ferments dry for a Champagne-like finish. The IPA category has expanded far enough that the initials now function more as a broad orientation than a specific style description.
At the Table
IPAs pair differently depending on the style. West Coast IPAs cut through rich, fatty foods — fried chicken, cheeseburgers, aged cheddar — because their bitterness and carbonation act as a palate cleanser in the same way that acidity does in wine. New England IPAs pair more gently with lighter dishes, seafood, and fresh cheeses, where their soft body and fruit-forward aroma complement rather than overwhelm. The bitterness of a well-made IPA can also hold up to spicy food in a way that many wines cannot, making it a useful tool on menus where chili heat is a regular presence.
For operators building a tap list, understanding the IPA subcategories matters practically. A guest who says they like IPAs but finds them too bitter is probably describing West Coast style and would be better served by a NEIPA. A guest who finds hazy IPAs too soft and fruity is probably looking for the structure and dryness of a West Coast or Double IPA. The category is wide enough that assuming all IPAs are the same is as reductive as assuming all red wines taste alike.
The IPA began as a solution to a logistics problem and became the defining expression of what hops can do when a brewer decides to feature them rather than balance them into the background. Understanding the style — its history, its hop chemistry, and its subcategories — is the foundation for navigating a beer list with the same confidence that understanding grape varieties provides for navigating a wine list.
The broader relationship between fermentation style and beer character is revealed futher inWhat Is the Difference Between Ale and Lager?
Explore more culinary questions in Ask Foodie.
Photo by Monika Grabkowska for Unsplash+
