Mussels in Butter (Salt-Only Steam)
By Sara Lindgren · Nordic Approaches · Updated 2026-05-08
2 lb fresh mussels steamed open in ½ cup butter and salted broth. No wine, no garlic, no parsley. The strict carnivore moules-marinière.
Carnivore mussels in butter are 2 pounds of fresh mussels scrubbed and de-bearded, then steamed in a covered Dutch oven with ½ cup of melted butter, ½ cup of beef broth, and 1 teaspoon of salt over medium-high heat for 4 to 5 minutes until all the shells open. No wine, no garlic, no shallots, no parsley — strict carnivore strips moules-marinière to its essence. Discard any mussels that don't open (they were dead before cooking; don't eat). A 1-pound serving (2 servings per 2-pound batch) delivers 24g protein, 28g fat, and 360 calories — the butter is doing real work both as cooking medium and on-plate fat. Live mussels cost $4 to $7 per pound at fish markets and Whole Foods; a 2-pound bag feeds 2 adults at roughly $4 to $7 per serving. Slurp the mussels directly out of their shells; pour the buttery cooking broth over each portion at the table. Total cook time is 5 minutes from cold pot to plate.
Ingredients
| Ingredient | Protein | Fat | Calories |
|---|---|---|---|
| 1 lb mussels cooked, in shell (per serving) | 24g | 4g | 200 |
| ¼ cup butter (per serving) | 0g | 24g | 215 |
| ¼ cup broth (per serving) | 0g | 0g | 5 |
| Per serving | 24g | 28g | 360 |
Macros per serving (after cooking and any fat draining). Source: USDA FoodData Central.
Instructions
- 1
Scrub mussels under cold running water with a stiff brush. Pull off the 'beard' (the wiry threads protruding from each shell) by yanking toward the hinge end.
- 2
Discard any mussels with cracked shells or shells that won't close when tapped — these were dead and aren't safe to cook.
- 3
Heat ½ cup butter and ½ cup beef broth in a 6-quart Dutch oven over medium-high heat until the butter is melted and the broth is simmering.
- 4
Add 1 tsp coarse salt. Stir to combine.
- 5
Add the cleaned mussels all at once. Cover the pot.
- 6
Cook 4 to 5 minutes until all the shells open. Shake the pot once at the 2-minute mark to redistribute the mussels.
- 7
Pull from heat. Discard any mussels that didn't open (they were dead before cooking).
- 8
Transfer mussels to wide bowls. Pour the buttery broth from the pot over each portion. Eat directly from the shells.
Nutrition per Serving
Frequently Asked Questions
How do I tell if mussels are alive?
Live mussels close their shells when tapped. Dead mussels stay open and limp. Discard any mussels that don't close at the tap-test, plus any with cracked shells. After cooking, discard any that DIDN'T open — those were already dead when they hit the heat. The opening-or-closing rule is the universal mussel-freshness test. Live shellfish should also smell briny and fresh, never fishy or off-putting.
Why no wine in this recipe?
Traditional moules-marinière (the French preparation this recipe is adapted from) uses ½ to 1 cup of dry white wine in the steaming liquid. Wine is excluded under strict carnivore framing. The carnivore version uses beef broth instead, which produces a richer, less acidic broth than the wine version. The mussels themselves taste identical regardless of broth choice; the broth is what differs. If you allow some plants, the wine version is the iconic French original.
Can I make this without beef broth?
Yes — substitute 1 cup of water plus an extra ¼ cup butter. The cooking liquid is what steams the mussels open; pure water with no flavor produces less rich broth, which is offset by the additional butter. Pure water + butter is closer to the Italian preparation (mussels in butter and lemon — minus the lemon for carnivore). Both versions work; beef broth produces deeper flavor.
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