Proteins

Hog Casing

Natural pork intestine casing used to stuff homemade sausages.

Hog casings are the cleaned intestines of pigs, the traditional natural wrapper for stuffing sausages. They give sausages their characteristic snap when bitten and shrink to hug the filling as they cook. Sold salted or in brine, they must be soaked and rinsed before stuffing.

Hog casing is the small intestine of a pig, specifically the durable submucosa layer that remains after chemical processing removes the inner mucosa and outer serosa layers. This thin, strong membrane is what gives traditional fresh sausages their characteristic snap or crack when bitten—the texture that distinguishes a hand-stuffed link from an extruded tube. The submucosa is a remarkably efficient structure: a single hog intestine yields only one continuous strand of usable casing, which is why casings are sold by the linear foot. Natural hog casings have tiny pores that allow smoke, moisture, and heat to penetrate during cooking, producing evenly colored and textured sausage throughout.

The casing is not merely a container—it is functional architecture. It expands as the sausage fills, stretches during cooking as the meat proteins set, and contracts as the sausage cools, forming a tight seal around the filling. This elasticity is why overfilling causes bursting: the casing can only stretch so far before the seams fail. Fresh hog casings in brine are preferred by professional butchers and serious home cooks because they handle most forgivingly and produce the most consistent results. Salted casings are more shelf-stable but require thorough soaking and rinsing before use. Quality varies dramatically by supplier; specialty sausage-making retailers and local abattoirs consistently outperform generic grocery store offerings, which often arrive inconsistently trimmed or insufficiently processed.

Measured in: g
Storage: Fridge

Types & varieties

Small Hog Casing

28–30 mm stuffed diameter; most common for fresh pork breakfast links and Italian sausage

Medium Hog Casing

32–36 mm stuffed diameter; used for thicker sausages like bratwurst and fresh chorizo

Hog Middles

Larger-caliber sections from the middle portion of the intestine; used for mortadella and larger cured sausages

Sheep Casing (distinct product)

18–20 mm; finer caliber, traditional for frankfurters and merguez; not hog casing

Beef Casing (distinct product)

38–44 mm; larger caliber, traditional for ring bologna and some salamis; not hog casing

Why Natural Casing Over Synthetic

Collagen and cellulose casings have their place, but they cannot replicate the snap of a natural hog casing. Collagen casings are easier to use and peel cleanly, making them popular in commercial production of fresh sausages where texture is less critical. However, collagen casings do not provide the characteristic bite, and they are unsuitable for hanging or curing. Natural hog casing remains the only choice when the traditional mouthfeel and smoke penetration of a properly made link sausage are the goal. The slight additional effort is rewarded with noticeably superior texture.

Natural casing provides genuine snap texture that collagen cannot replicate
Porous structure allows smoke and moisture to penetrate evenly during cooking
Casing expands and contracts with the sausage during cooking, preventing tears
Preferred for any sausage where flavor development through hanging or curing is intended

Choosing a Supplier

The difference between a frustrating stuffing session and a smooth one often comes down to casing quality. Specialty sausage-making suppliers like Sausage Maker, Butcher & Packer, and local abattoirs stock consistently superior product—casings that are evenly trimmed, properly processed, and free of excess fat or debris. Generic grocery store salted casings, by contrast, frequently arrive inconsistently cut, with variable salt coverage and sometimes damaged strands. Spending slightly more on quality casings from a dedicated supplier pays dividends in reduced tears, easier stuffing, and better final texture.

Specialty suppliers offer better-processed, consistently trimmed casings
Local abattoirs often sell fresh casings the same day animals are processed
Compare strand length and cleanliness when ordering; longer continuous strands mean fewer joins to manage
Reputable suppliers provide casing specifications that match your sausage diameter goals

Common uses

Fresh pork breakfast sausage links and pattiesItalian sausage (mild, hot, sweet) in link formBratwurst and other fresh German-style sausagesFresh chorizo (Spanish or Mexican style)Breakfast kielbasa and fresh Polish sausageMortadella (stuffed into hog middles)Handmade hot dogs and frankfurtersSnack sticks and Slim Jim-style dried sausages (smaller hog casing)

Tips & pitfalls

Soak salted casings 30–60 minutes in room-temperature water before use; change water once midway to flush salt and debris
Rinse casings thoroughly inside and out under cool running water, running water through the lumen with a casing brush or faucet adapter
Keep casings submerged in water throughout stuffing to prevent drying and brittleness; a bowl of water at the stuffer is standard practice
Use a proper vertical piston sausage stuffer rather than a mixer attachment; casings tear readily under high pressure from grinder-style devices
Lubricate the stuffing tube with water or a small amount of pork fat to ease casing passage; never use petroleum-based lubricants
Tie off one end before stuffing, leaving 2–3 inches of empty casing at the tied end for expansion during cooking
Do not overfill—fill to approximately 80–85% of casing capacity; overfilling causes bursting during cooking or stuffing
Room-temperature casings stuff more easily than cold casings; remove from refrigerator 15–20 minutes before use
If air bubbles appear in stuffed links, prick with a sanitized sausage pricker or pin to release before cooking
Link and twist at consistent intervals (typically 4–6 inches for retail-style links) before the sausage firms up; consistent twisting prevents links from unwinding during cooking
After stuffing, refrigerate uncooked links 30–60 minutes before cooking to allow the casing to set and the sausage to firm
Common mistake: using casings that have dried out during work—keep them submerged and work quickly once exposed

Nutrition

No USDA FoodData Central match for Hog Casing yet. We surface a per-100 g profile once a generic whole-food entry is matched and verified.

In the shops

Matched grocery products

No matched grocery products for Hog Casing yet.

Good to know

Source: Pork small intestine, submucosa layer only, after chemical processing removes mucosa and serosa
Typical Stuffed Diameter: 28–36 mm, depending on specification
Available Forms: Fresh in brine (refrigerated); salted (shelf-stable until opened); frozen
Shelf Life: Salted: 1–2 years refrigerated; fresh/brined: 2–4 weeks; frozen: 6–12 months
Yield: Approximately 1 lb (454 g) of casing per 35–40 linear feet (11–12 m)
Key Characteristic: Provides the distinctive snap or crack bite texture of traditional fresh sausages
Smoke Permeability: Natural pores allow smoke and moisture penetration during cooking
Difficulty Level: Moderate—requires practice to avoid tears and stuffing inconsistencies

Substitutes

Collagen Casing (edible) — Man-made from bovine hide collagen; available in same calibers; easier for beginners; does not provide the same snap texture; best for fresh sausages only, not for hanging or curing
Cellulose Casing — Paper-thin plant-based casing; used for fresh breakfast links like Little smokies; must be peeled before eating; not a direct substitute for snap texture
Fibrous Cellulose Casing — Rigid casing for cook-and-eat sausages like hot dogs; not suitable for fresh link production in the home kitchen

Pairs with

Pork shoulder Pork belly Beef chuck Fennel seed Black pepper SageCayenne or chili flakesPaprika (smoked)Garlic Maple syrup

Also called

Natural Hog Casing · Sausage Casing