By the Editorial Desk
Updated August 27, 2026
For decades, the idea of consuming earthworms has been largely relegated to urban legends, gross-out reality television challenges, and the margins of niche survivalist guides. Yet, as outdoor recreation evolves, foraging booms, and environmental pressures reshape North American ecosystems, a provocative culinary question is emerging from the backwoods: Is it time to finally give the worm burger a fair shake?
While our historical archives at Backpacker contain an actual, kitchen-tested recipe for earthworm patties dating back to 2010, the broader societal resistance to eating things that squirm remains robust. Nevertheless, a convergence of modern ecological crises, a cultural renaissance in wild food harvesting, and systemic anxieties regarding industrialized food safety may be turning the humble earthworm into a compelling—if radical—source of backcountry nourishment.
Main Facts: The Anatomy of an Entomological Meal
At first glance, the prospect of harvesting and consuming subterranean invertebrates triggers a deep-seated, visceral defense mechanism in the human brain. Slime, segments, and writhing movement are evolutionary cues for danger or decay. Yet, strip away the psychological “ick factor,” and earthworms reveal themselves to be nutritional powerhouses.
- High Protein Density: By dry weight, earthworms consist of roughly 60 to 70 percent protein. This ratio dramatically outperforms traditional ground beef, which famously drove fast-food economics in decades past.
- The Prep Process: Historical recipes, such as the one adapted by Backpacker from Ronald L. Taylor and Barbara J. Carter’s pioneering 1976 cookbook Entertaining With Insects, require a purging phase. Before cooking, worms must be kept in a clean container with cornmeal or bran for 24 hours to clear their digestive tracts of soil and grit.
- The Recipe: Once purged, “thoroughly smushed” earthworms are blended with seasonings like lemon rind, salt, and pepper, shaped into patties, dipped in beaten egg, coated in bread crumbs, and pan-fried in butter.
Despite these straightforward mechanics, the culinary concept has largely failed to capture the mainstream imagination. According to a 2023 consumer study, only 28 percent of people in the United States expressed any openness toward consuming whole mealworms—let alone wild-caught earthworms plucked straight from the forest floor.
Chronology: From Fast-Food Conspiracy to Backcountry Novelty
To understand how society views entomophagy (the human consumption of insects), one must examine how the narrative has shifted over the last half-century.
1978: The Great Fast-Food Worm Panic
The modern American obsession with worms in food began not as an eco-conscious culinary movement, but as a malicious urban legend. In the late 1970s, a widespread rumor tore through the American South, claiming that fast-food giants like McDonald’s and Wendy’s were covertly grinding up earthworms to substitute for expensive beef, thereby cutting operational costs.
The panic reached a fever pitch, forcing corporate headquarters to field thousands of panicked calls from consumers and frantic inquiries from local franchisees. Companies responded with televised public service announcements, assuring the public that their patties were 100 percent beef. Ultimately, the most bulletproof defense was economic reality. As McDonald’s former CEO Ray Kroc famously pointed out, beef cost roughly $1.50 per pound at the time, whereas commercial nightcrawlers retailed for around $6.00 a pound. Using worms as cheap filler made zero financial sense, and the conspiracy theories eventually faded into folklore.
2010: Backpacker Publishes the Worm Burger Recipe
Exactly 32 years after the fast-food panic, Backpacker published an earnest, unironic recipe for worm burgers. Sourced from Entertaining With Insects, the recipe called for a pound and a half of earthworms—amounting to roughly $9 worth of bait at the time—mixed into a traditional patty format. While the piece was viewed largely as a quirky novelty for adventurous thru-hikers, it laid down a marker for alternative backcountry nutrition.
2026: The Modern Convergence of Foraging and Food Anxiety
Today, the culinary landscape of the backcountry is unrecognizable compared to 2010. Hikers can choose from a staggering array of gourmet trail meals, ranging from lightweight grocery-store ramen hacks to restaurant-quality freeze-dried dishes like drunken noodles and chiles rellenos.
Yet, against this backdrop of culinary abundance, interest in primitive survival skills has surged. A massive cultural wave of foraging has swept across North America, driven largely by younger demographics discovering wild foods via digital platforms. From wild leeks and chanterelles to stinging nettles, wild harvesting has become a badge of outdoor authenticity. Expanding that ethos to subterranean fauna no longer sounds entirely unhinged—it sounds like the next logical frontier.
Supporting Data: Nutrition, Ecology, and Risk Assessment
Evaluating the viability of earthworms as a modern food source requires examining three critical pillars: nutritional yield, ecological impact, and microbiological safety.
Nutritional Comparison
| Food Source | Protein Content (Dry Weight) | Cost/Accessibility Factor |
|---|---|---|
| Ground Beef (1978 Era) | ~40–50% | ~$1.50/lb (Industrial agriculture) |
| Earthworms (Wild-Caught) | 60–70% | Free (Requires labor-intensive harvesting) |
| Standard Backpacker Meal | Variable (Soy/Meat proteins) | High convenience, higher retail cost |
Ecological Implications: Friend or Foe?
While gardeners universally praise earthworms for their soil-aerating and composting prowess, the ecological reality in North American forests is far more complex.
Crucially, virtually all earthworms found by hikers in the northern United States and Canada are non-native invasive species introduced via European and Asian soil centuries ago. As these wrigglers proliferate through northern forests, they consume the rich layer of leaf litter on the forest floor.
A pivotal 2022 study published in Biology Letters examined forests in Alberta, Canada, finding that high earthworm populations directly correlate with a dramatic drop in insect biodiversity. By stripping away the organic debris that native insects rely upon for habitat and food, invasive earthworms are fundamentally reshaping forest ecosystems. Consequently, harvesting and consuming these invasive invertebrates is, paradoxically, a form of ecological remediation.
Official Responses and Food Safety Realities
When broaching the topic of consuming wild-caught invertebrates, public health and regulatory agencies naturally urge caution. The United States Department of Agriculture (USDA) maintains strict safety protocols for commercially farmed protein sources, and wild-caught earthworms do not fit neatly into traditional agricultural inspection frameworks.
However, food safety experts note that properly cooked earthworms carry a relatively low risk of transmitting human parasites compared to certain wild mammals or undercooked fish. Furthermore, the argument for the pristine safety of industrialized food supply chains has taken a severe beating in recent years.
Throughout the latter half of 2026, the American food supply has been rocked by repeated recalls and contamination events. Notably, the largest cyclospora outbreak in U.S. history swept across multiple states, spreading not through exotic wildlife or foraged insects, but through standard, commercially bagged salad greens. Food safety analysts traced the outbreak to cross-contamination within industrial processing facilities, where multiple batches of lettuce passed through shared, insufficiently sanitized shredding equipment.
As consumers digest the irony that a commercial salad bag can present a graver gastrointestinal threat than a handful of foraged forest fauna, the mental barrier against wild-harvested protein begins to fracture. When a routine grocery store resupply or a post-trail fast-food run carries a legitimate risk of severe illness, the humble earthworm starts to look remarkably straightforward.
Implications: Where Do We Draw the Line?
Ultimately, the persistence of the worm burger as an unrealized culinary movement highlights the strict psychological boundaries humans place around nature.
Most outdoor enthusiasts are perfectly comfortable getting dirt between their toes, sleeping on the bare ground, and drinking filtered stream water. Yet, drawing the line between appreciating the natural world and actively ingesting its subterranean inhabitants is where the vast majority of people pump the brakes. Even ardent advocates of sustainable living often balk at the sensory reality of a live worm’s texture, slime, and squirm.
For the roughly 28 percent of the population willing to push past the evolutionary "ick factor," earthworms offer an ecologically responsible, protein-dense, and entirely free backcountry meal. For the remaining 72 percent—including many seasoned outdoor editors—the classic freeze-dried pouch safely tucked away in a backpack will remain the undisputed king of camp cuisine.
Whether you choose to embrace the invasive wrigglers reshaping our northern forests or stick firmly to your commercially prepared trail meals, the option remains written in the archives of outdoor history.
Appendix: The Historic 2010 Backpacker Earthworm Burger Recipe
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Ingredients:
- 1.5 lbs. earthworms (purged for 24 hours in bran or cornmeal)
- Salt and pepper (to taste)
- Lemon rind (finely grated)
- Melted butter (for the mixture and the pan)
- 1 beaten egg
- Bread crumbs
-
Instructions:
Thoroughly mash the purged earthworms. Mix the worm meat with salt, pepper, melted butter, and grated lemon rind. Form the resulting mixture into small patties. Dip each patty into the beaten egg, then coat thoroughly in bread crumbs. Fry in a skillet with melted butter over medium heat for approximately 10 minutes, turning midway through until golden brown and crispy. Serve hot on the trail.
