Is sirloin tip roast the same as top sirloin?
No. Sirloin tip roast is usually from the round area near the sirloin, often the knuckle (you may also see it labeled round tip depending on the store and region). It is leaner and can be tougher than top sirloin. The payoff is great beef flavor and a budget-friendly price, as long as you do not overcook it and you slice it thin.
What internal temperature should I cook it to?
Sirloin tip is lean, so staying on the lower side keeps it juicy. Pull it at:
- 125 to 130°F for medium rare (finishes around 130 to 135°F)
- 135 to 138°F for medium (finishes around 140 to 145°F)
Carryover cooking will usually raise the temp about 5 to 10°F while resting.
Why do my roasts turn out tough?
Usually one of these: cooked too far past medium, not rested, or sliced with the grain. Sirloin tip loves a thermometer and a proper rest.
How do I slice it correctly?
Look for the direction of the muscle fibers and slice across them. Thin slices are your friend here. If you are unsure, rotate the roast as you slice and keep aiming for short fiber pieces.
Can I cook this in a slow cooker?
You can, but it will be a different result. Slow cookers lean more toward shreddable pot roast texture. If you want sliceable roast beef with crisp edges, oven roasting is the move.
What if I do not have enough drippings for gravy?
Totally normal if your roast is very lean or you use a rack. Use the fond anyway (those browned bits are flavor), then make up the rest with broth. If it still tastes thin, whisk in an extra tablespoon of butter at the end.