beta

Protocol: Reverse Sear Tri-Tip

Protocol: Reverse Sear Tri-Tip

Category: proteins Tags: #beef #batch-prep #high-protein #weeknight Version: v0.1 Created: 2025-12-29 Servings / Yield: 6-8 servings (from ~1kg / 2-3 lb roast) Prep time: 10 min (+ optional overnight dry brine) Cook time: 60-75 min Tools: sheet pan, wire rack, cast iron skillet, instant-read thermometer

Goal / Why this exists

Foolproof method for Costco prime tri-tip that delivers edge-to-edge medium-rare with a good crust. Hands-off oven time, minimal active cooking. Perfect for weekend batch prep — slices reheat well for weeknight meals.

Ingredients (prefer grams)

For the roast:

  • 900-1400g (2-3 lb) tri-tip roast
  • 12g kosher salt (Diamond Crystal) — ~1 tbsp, or 1% of meat weight
  • 4g black pepper — ~2 tsp
  • 4g garlic powder — ~1 tsp

For searing:

  • 15g (1 tbsp) high smoke-point oil (avocado, vegetable, or beef tallow)

Method (timed steps)

  1. Pat dry the tri-tip with paper towels.
  2. Season all sides generously with salt, pepper, and garlic powder.
  3. Refrigerate uncovered on a wire rack over a sheet pan, 2-24 hours. Overnight is ideal — develops a pellicle for better crust.

Day-of (if skipping dry brine)

  1. Season as above, let sit at room temperature 30-45 min before cooking.

Reverse Sear

  1. Preheat oven to 250°F (120°C).
  2. Set tri-tip on wire rack over sheet pan, fat cap up.
  3. Roast until internal temp reaches 115-120°F (46-49°C) at thickest point. This takes 45-60 min depending on thickness. Check at 40 min.
  4. Remove from oven, tent loosely with foil, rest 5 min.
  5. Heat cast iron over high heat until smoking, add oil.
  6. Sear tri-tip 1-2 min per side until deep brown crust forms. Sear the edges briefly too.
  7. Rest 10 min before slicing. Internal temp will coast to 130-135°F (medium-rare).

Slicing

  1. Identify the grain — tri-tip has two grain directions that meet in the middle.
  2. Cut the roast in half at the grain intersection.
  3. Slice each half thin (5mm) against the grain for tender bites.

Success criteria

  • Internal temp 130-135°F after resting (medium-rare)
  • Edge-to-edge pink with no gray band
  • Deep brown, crispy crust on exterior
  • Slices tender when cut against the grain
  • Juicy — resting was adequate if cutting board has some juice but meat isn’t dry

From Frozen Method (experimental)

Status: Untested — needs validation run

For batch prep: season multiple roasts, freeze individually, cook directly from frozen with no thaw.

Prep (weekend batch)

  1. Season roasts as normal (salt, pepper, garlic powder).
  2. Wrap tightly in plastic wrap, then foil, or vacuum seal.
  3. Freeze flat on sheet pan, then store. Keeps 3 months.

Cook from frozen

  1. Preheat oven to 200°F (93°C) — lower temp compensates for frozen start.
  2. Unwrap roast, place on wire rack over sheet pan, fat cap up.
  3. Roast until internal temp reaches 115-120°F (46-49°C). Expect 90-100 min for a 1kg roast. Check at 75 min.
  4. Rest 5 min, then sear and slice as normal.

Why this works

  • The low oven temp gently thaws and cooks simultaneously
  • Extended time still avoids the gray band (gentle heat transfer)
  • No planning ahead — grab from freezer, cook same day

Test variables to validate

  • Actual time to reach 115°F internal from frozen
  • Crust quality compared to fresh
  • Moisture/juiciness compared to fresh
  • Any texture differences

Variations

Korean-ish:

  • Replace garlic powder with 8g gochugaru (Korean chili flakes)
  • After slicing, drizzle with: 15g soy sauce + 5g sesame oil + sliced scallions

Umami bomb:

  • Add 15g soy sauce + 10g Worcestershire to the dry brine rub
  • Reduce salt to 8g to compensate

Coffee-chili rub:

  • Add 8g espresso powder + 4g ancho chili powder to base rub
  • Good with a soy-ginger glaze drizzle

Spicy (high heat):

  • Add 5g cayenne to base rub
  • Finish with hot sauce of choice

Nutrition (approximate)

Per 115g (4 oz) serving, trimmed:

  • Calories: 180-200
  • Protein: 26g
  • Fat: 8-10g
  • Carbs: 0g

A 1kg roast yields roughly 700-800g cooked meat (8 servings).

Storage & reheat

Refrigerator: Sliced tri-tip keeps 4-5 days in airtight container.

Reheating (weeknight assembly):

  • Best method: Warm slices in a skillet over medium heat with a splash of beef broth or soy sauce, 2-3 min. Keeps them juicy.
  • Quick method: Microwave covered at 50% power in 30-sec intervals. Add a damp paper towel to prevent drying.

Freezer: Slice, portion into meal-prep containers, freeze up to 3 months. Thaw overnight in fridge.

Serving suggestions

  • Over rice with quick soy-ginger glaze
  • With roasted potatoes and Brussels sprouts
  • Sliced on salad with leafy greens for fiber goal
  • In tacos/burritos with pickled onions

Linked runs

  • (none yet)