Grass-fed steak with black garlic butter
GRASS-FED STEAK — A FOUNDATION
Pasture, fire, and four compound butters. The work is upstream — the cooking is almost incidental.
Season: Year-round (best autumn through early spring) Cuisine: Heritage · Argentine · French · Costa Rican Yield: Serves 4 (each preparation) Best eaten: 5–7 p.m. — earlier rather than later
A good steak doesn't need much. The work is upstream — finding cattle raised on grass, finished on grass, slaughtered without stress, and dry-aged long enough to concentrate flavor. The cooking is almost incidental. What you put on top should respect the animal. Below is the master searing method, four compound-butter preparations drawn from different traditions, and the shared nutritional logic that runs underneath all of them.
MASTER METHOD (APPLIES TO ALL FOUR PREPARATIONS)
Pull the steaks from the fridge 45–60 minutes before cooking. Pat dry, season generously with sea salt on all sides, and let them temper at room temperature.
Pat dry again just before cooking — this dry-brining produces a deeper crust.
Heat a cast-iron skillet over very high heat until smoking. Add 1–2 tbsp grass-fed tallow, ghee, or duck fat.
Lay the steaks in the pan away from you. Sear undisturbed 3–4 minutes per side for medium-rare on a 1.5–2-inch steak (internal 130°F). Tilt the pan and baste with melted fat for the last minute.
Transfer to a board, top with the chosen compound butter while still hot, tent loosely with foil, and rest 8–10 minutes before slicing against the grain.
Spoon any pooled butter back over the meat. Finish with cracked pepper.
1. BLACK GARLIC BUTTER — THE YEAR-ROUND DEFAULT
Black garlic earns its place because it does what nothing else does: deep, sweet, balsamic-fig umami without the bite of raw allium. Regular garlic, held at low heat and humidity for weeks, gently fermented by its own enzymes and the Maillard reaction working in slow motion. Mash-able, almost jammy, folds into butter with no effort.
Ingredients (steak as above, plus butter)
½ cup raw or cultured grass-fed butter, softened
6 cloves black garlic, mashed into a paste
Zest of 1 organic lemon
¼ tsp flaky sea salt
Optional: 1 tsp fresh thyme leaves or 1 tbsp fresh chives
Method: mash black garlic with a fork. Fold into softened butter with lemon zest, salt, and herbs. Roll in parchment into a log; chill until firm, or use immediately, soft. Slice onto hot steaks.
2. CHIMICHURRI WITH BONE MARROW BUTTER — THE CENTERPIECE
The Argentine condiment for grilled meat, paired with the most ancestrally prized finishing fat. A retreat-dinner plate.
Chimichurri
½ cup fresh flat-leaf parsley, finely chopped
½ cup fresh cilantro, finely chopped
2 garlic cloves, minced
⅓ cup extra virgin olive oil
2 tbsp red wine vinegar (or fresh lemon juice)
½ tsp red pepper flakes (optional)
½ tsp sea salt, cracked black pepper
Bone Marrow Butter
2 large grass-fed marrow bones, cut crosswise (4–6 inches)
4 tbsp grass-fed butter, softened
½ tsp sea salt
Optional: squeeze of fresh lemon
Method: combine chimichurri ingredients and let rest 15 minutes at room temperature. Roast marrow bones cut-side up at 425°F for 15–20 minutes until bubbling and lightly golden but still soft (don't over-roast — the marrow becomes dry). Scoop the warm marrow with a small knife or marrow spoon, mash with the softened butter, salt, and lemon. Top each rested steak with chimichurri and a generous spoonful of marrow butter — it melts over the warm meat.
Pairs beautifully with steamed broccoli finished with black garlic butter (see preparation 1).
3. PEPPERCORN COGNAC BUTTER — THE FRENCH BISTRO
Steak au poivre refined into a compound-butter format. Traditionally served on tenderloin (filet mignon).
Ingredients
4 tbsp grass-fed butter, softened (divided)
1½ tsp whole black peppercorns, lightly crushed in a mortar (not ground to powder)
1 small shallot, finely minced
1½ tbsp cognac
Pinch sea salt
Method: melt 1 tbsp butter in a small skillet over medium heat. Sauté shallot 2–3 minutes until translucent. Add crushed peppercorns and cook 30 seconds. Critical: away from the heat, carefully pour in the cognac (the alcohol can flame). Return to heat and simmer 1 minute until mostly evaporated. Cool slightly, then fold the cognac-pepper-shallot mixture into the remaining 3 tbsp softened butter with the salt. Roll in parchment and chill 30 minutes for cleaner slicing, or spoon directly onto warm steaks.