Unveiling the Delightful World of Cherrystone Clams: A Seafood Lover's Guide

September 25, 2024

Cherrystone Clams: Flavor, Nutrition, Sustainability, and Two Complete Recipes

Cherrystone clams are the middle size of the hard-shell clam (Mercenaria mercenaria) — larger than littlenecks (which are best eaten raw) and smaller than quahogs (which are best for chowder). At 2–3 inches across, cherrystones are the most versatile size: tender enough to eat raw on the half-shell, firm enough to hold up to steaming, grilling, and baking, and large enough to stuff. They are also one of the most nutritionally exceptional foods available — the single richest dietary source of vitamin B12 of any commonly eaten food, with meaningful iron, selenium, and omega-3 fatty acids. This guide covers the nutritional profile, sustainability, how to select and store them, and two complete recipes.

🔗 Cherrystone Clams at Global Seafoods | Mussels | Geoduck

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Cherrystone vs. Other Clam Sizes

• Countnecks (<1 inch): the smallest; rarely sold commercially
• Littlenecks (1–2 inches): the most tender; best eaten raw on the half-shell or lightly steamed; the classic clam for clams casino
• Cherrystones (2–3 inches): the most versatile size; tender enough for raw consumption; firm enough for steaming, grilling, and baking; large enough to stuff; the best all-purpose clam
• Topnecks (3–3.5 inches): between cherrystone and quahog; good for stuffing and baking
• Quahogs/chowder clams (>3.5 inches): the largest; tougher meat; best chopped and used in chowder, stuffed clams, or clam sauce; not suitable for raw consumption

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Nutritional Profile of Cherrystone Clams

Per 3-oz (85g) cooked serving (approximately 9–12 medium clams out of the shell):

• Calories: ~63–70 kcal (very low calorie for the nutrient density delivered)
• Protein: ~11–14g (complete protein; all nine essential amino acids)
• Fat: ~1–2g
• Vitamin B12: ~84mcg per 3-oz serving (~3,500% of the daily value) — clams are the single richest dietary source of vitamin B12 of any commonly eaten food; a single 3-oz serving provides more than 35 times the daily requirement; this is the most important nutritional fact about clams
• Iron: ~12mg per 3-oz serving (~65% of the daily value for men; ~65% for women) — clams are one of the richest dietary sources of iron available; the iron in clams is heme iron (the most bioavailable form)
• Selenium: ~40mcg per 3-oz serving (~70% of the daily value)
• Omega-3 fatty acids (EPA+DHA): ~200–300mg per 3-oz serving — a moderate amount; meaningful but not a primary omega-3 source compared to fatty fish like salmon (~1,500–2,000mg per 6-oz serving)
• Zinc: ~2.3mg per 3-oz serving (~20% of the daily value)
• Vitamin C: ~11mg per 3-oz serving (~12% of the daily value) — the vitamin C in clams enhances the absorption of their non-heme iron

Key nutritional insight: clams are exceptional for their B12 content (the richest dietary source of any commonly eaten food) and their iron content (one of the richest heme iron sources available). The Harvard T.H. Chan School of Public Health recommends regular consumption of shellfish like clams as part of a balanced diet for cardiovascular and cognitive health.

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Sustainability of Cherrystone Clams

Cherrystone clams are rated “Best Choice” by the Monterey Bay Aquarium’s Seafood Watch for their minimal environmental impact. Key sustainability factors: (1) No feed required: clams are filter feeders; they grow using only phytoplankton and organic particles naturally present in the water; (2) Water quality improvement: clams filter large volumes of water as they feed, removing excess nutrients (nitrogen, phosphorus) and particulate matter; clam farms actively improve local water quality; (3) No antibiotics or chemicals: clam farming requires no antibiotics, pesticides, or growth hormones; (4) Low carbon footprint: clam farming has one of the lowest greenhouse gas emissions per gram of protein of any animal food production system; (5) Wild-harvested cherrystones: wild-harvested cherrystones from well-managed East Coast fisheries (particularly Chesapeake Bay, Long Island Sound, and New England) are also considered sustainable; look for state-certified harvest tags.

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How to Select, Store, and Clean Cherrystone Clams

Selecting Fresh Cherrystones

• Shells should be closed or close when tapped: a live clam will close its shell when disturbed; tap any open clams firmly; if they close within a few seconds, they are alive and safe; if they remain open, discard
• Smell: fresh clams should smell like the ocean — clean and briny; a strong ammonia or sulfur smell indicates spoilage; discard immediately
• No cracked shells: discard any clams with cracked or broken shells
• Weight: fresh clams feel heavy for their size; a clam that feels unusually light may be empty or dead

Storing Live Cherrystones

• Place in a bowl or colander; cover with a damp cloth; refrigerate at 35–40°F
• Do not store in an airtight container or submerged in fresh water (kills them)
• Do not store directly on ice (meltwater kills them — use a colander above ice)
• Use within 2–3 days; cook as soon as possible for the best flavor

Cleaning Cherrystones

1. Rinse under cold running water; do not soak in fresh water
2. Scrub the shells with a stiff brush to remove sand, grit, and debris
3. Discard any clams that do not close when tapped or that smell off
4. After cooking: discard any clams that did not open

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Two Complete Cherrystone Clam Recipes

Recipe 1: Steamed Cherrystone Clams with Garlic and White Wine

Serves: 4 | Time: 20 minutes | The classic preparation

Ingredients

• 3 lbs (1.4 kg) live cherrystone clams, scrubbed
• 2 tbsp olive oil
• 1 shallot, finely diced
• 4 cloves garlic, minced
• 1 cup dry white wine (Sauvignon Blanc or Pinot Grigio)
• 3 tbsp unsalted butter
• 3 tbsp fresh flat-leaf parsley, roughly chopped
• Salt and black pepper to taste
• Crusty bread for serving

Instructions

1. Discard any clams that are cracked or that do not close when tapped
2. Heat olive oil in a large pot over medium heat; add shallot and cook 2 minutes until softened; add garlic and cook 1 minute until fragrant
3. Add white wine; increase heat to medium-high; bring to a simmer; cook 2 minutes
4. Add clams; cover tightly; cook 7–10 minutes, shaking the pot once or twice, until all clams have opened; discard any that remain closed after 10 minutes
5. Remove from heat; stir in butter until melted; add parsley; season with salt and pepper
6. Serve immediately in deep bowls with the broth; provide crusty bread for dipping; do not discard the broth — it is intensely flavored and is the best part of the dish

Note: cherrystones take slightly longer to open than mussels (7–10 minutes vs. 5–7 minutes) due to their thicker shells and stronger adductor muscles; do not rush the cooking time.

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Recipe 2: Grilled Cherrystone Clams with Lemon Herb Butter

Serves: 4 | Time: 15 minutes | Best for: summer grilling; the grill adds a slight char and smokiness

Ingredients

• 3 lbs (1.4 kg) live cherrystone clams, scrubbed
• 4 tbsp unsalted butter, softened
• 2 cloves garlic, finely minced
• 2 tbsp fresh lemon juice
• 1 tsp lemon zest
• 2 tbsp fresh thyme leaves, finely chopped
• 1 tbsp fresh flat-leaf parsley, finely chopped
• Salt and black pepper
• Lemon wedges for serving

Instructions

1. Make the lemon herb butter: mix softened butter with garlic, lemon juice, lemon zest, thyme, and parsley; season with salt and pepper; set aside at room temperature
2. Preheat grill to medium-high (400–450°F)
3. Place clams directly on the grill grates; grill 5–7 minutes until the shells open; discard any that do not open
4. Using tongs, carefully open each clam fully (remove the top shell); place a small amount (½ tsp) of lemon herb butter on each clam in the half-shell; the residual heat will melt the butter
5. Serve immediately on a platter with lemon wedges

Alternative method: place clams in a foil packet with the lemon herb butter; seal tightly; grill 7–10 minutes until all clams open; this method is more forgiving and prevents clams from falling through the grates.

🔗 Cherrystone Clams | Mussels | Abalone | Sea Urchin Uni

🎥 Watch clam recipes on the Global Seafoods YouTube Channel

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FAQs: Cherrystone Clams

What is the difference between eating cherrystone clams raw vs. cooked, and which is safer?

Raw vs. cooked cherrystones: (1) Raw (on the half-shell): cherrystones are large enough to eat raw; the flavor is briny, sweet, and intensely oceanic; the texture is tender and slightly chewy; raw clams are a delicacy enjoyed with mignonette sauce, cocktail sauce, or simply lemon juice; (2) Food safety of raw clams: raw clams carry a risk of Vibrio vulnificus and other bacterial pathogens, as well as norovirus; the risk is higher in warmer months (May–October) when water temperatures are higher and bacterial growth is faster; the FDA advises that people with liver disease, diabetes, immune disorders, or other chronic conditions avoid raw shellfish; healthy adults can eat raw clams from certified, tested harvest areas with low risk; (3) Cooked: cooking to an internal temperature of 145°F eliminates Vibrio and other bacterial pathogens; cooked clams are safe for all populations; (4) How to minimize raw clam risk: buy from reputable suppliers with certified harvest tags; eat immediately after opening; keep on ice until serving; do not eat raw clams that smell off or that did not close when tapped; (5) Pregnancy: pregnant women should avoid raw clams; cooked clams are safe during pregnancy.

Why are clams the richest dietary source of vitamin B12, and how much do I need?

Clams accumulate B12 because they are filter feeders that consume large quantities of phytoplankton and marine bacteria, which are the primary producers of B12 in the ocean; the B12 concentrates in the clam’s tissue over time. B12 context: (1) Daily requirement: the FDA’s daily value for B12 is 2.4mcg for adults; (2) Clams: ~84mcg per 3-oz serving (~3,500% of the daily value) — a single serving provides more than 35 days’ worth of B12; (3) Why B12 matters: B12 is essential for myelin synthesis (the protective sheath around nerve fibers), red blood cell production, and DNA synthesis; deficiency causes fatigue, weakness, neurological symptoms (numbness, tingling, memory loss), and megaloblastic anemia; B12 is found almost exclusively in animal foods; vegans and people who eat little animal protein are at high risk of deficiency; (4) Absorption: B12 absorption requires intrinsic factor, a protein produced by the stomach; people over 50 and people with certain gastrointestinal conditions may have reduced intrinsic factor production and may not absorb B12 efficiently even from food; these people may need B12 supplements regardless of dietary intake; (5) Practical implication: a single 3-oz serving of clams per week provides more than sufficient B12 for most healthy adults.

What is the best wine to use for steamed clams, and how does it affect the broth?

Wine selection for steamed clams follows the same principles as for mussels: (1) Best choices: dry white wine with good acidity — Sauvignon Blanc (the most popular choice; its herbaceous, citrusy notes complement the clams’ brininess), Pinot Grigio (lighter and more neutral; lets the clams’ flavor dominate), Muscadet (the classic French choice for shellfish; very dry and mineral), or dry Vermouth (concentrated flavor; use slightly less than you would wine); (2) Avoid: oaky Chardonnay (the oak flavor is unpleasant in the broth); sweet white wine (adds unwanted sweetness); red wine (tannins clash with the shellfish); (3) Substitutes: dry hard cider (excellent; the apple acidity works beautifully with clams); fish stock or chicken broth (good; produces a less complex broth); clam juice (intensifies the clam flavor; use ½ cup clam juice + ½ cup water instead of 1 cup wine); (4) How much to use: 1 cup of liquid for 3 lbs of clams; clams release significant moisture as they cook; too much liquid dilutes the broth; (5) The broth is the point: the finished broth is a concentrated, intensely flavored shellfish stock; serve it in the bowl with the clams and provide crusty bread for dipping; do not discard it.

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