Slow-Roasted Tri-Tip Beef with Garlic and Rosemary
Tender and flavorful tri-tip beef slow-roasted with garlic, fresh rosemary, and a hint of smoked paprika for a classic Californian roast. This american-inspired beef ready in about 135 minutes pairs tri-tip beef roast, whole garlic cloves, fresh rosemary sprigs for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 400 calories and feeds 6, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.
Ingredients
- 2.5 lbs tri-tip beef roast
- 6 whole garlic cloves
- 3 sprigs fresh rosemary sprigs
- 1 tbsp smoked paprika
- 3 tbsp olive oil
- 2 tsp salt
- 1 tsp black pepper
Equipment for this recipe
Top-rated tools to make this recipe successfully.
Instructions
- Step 1: Preheat oven to 275°F (135°C). Mince 6 garlic cloves and finely chop 3 fresh rosemary sprigs.
- Step 2: In a small bowl, combine 3 tbsp olive oil, 1 tbsp smoked paprika, 2 tsp salt, 1 tsp black pepper, minced garlic, and chopped rosemary to form a paste.
- Step 3: Rub the seasoning paste evenly all over the 2.5 lb tri-tip beef roast, pressing it into the meat surface.
- Step 4: Place the roast on a wire rack inside a roasting pan. Insert a meat thermometer into the thickest part.
- Step 5: Roast in the preheated oven for about 1.5 to 2 hours, or until internal temperature reaches 130°F (54°C) for medium-rare.
- Step 6: Remove roast from oven and tent loosely with foil. Let rest for 15 minutes before slicing thinly against the grain to serve.
Frequently asked questions
How long does Slow-Roasted Tri-Tip Beef with Garlic and Rosemary take to make?
Total time is about 135 minutes (15 min prep + 120 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.
How do I store leftover Slow-Roasted Tri-Tip Beef with Garlic and Rosemary?
Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep tri-tip beef roast from drying out.
Can I substitute ingredients in Slow-Roasted Tri-Tip Beef with Garlic and Rosemary?
Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.
How do I scale Slow-Roasted Tri-Tip Beef with Garlic and Rosemary for a different number of people?
The recipe is written for 6 servings. Multiply each ingredient by (your serving target / 6). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.
What goes well with Slow-Roasted Tri-Tip Beef with Garlic and Rosemary?
American beef like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.
