Example Sentences for strength. Your aunt must have dainties to tempt her appetite and so keep up her strength. I think it may be justly denominated an emblem of strength and power. A great portion of his strength lay in his capacity for deception. She, too, remembered the conversation, but had not strength to act up to the spirit of it.
Continue to cook the sirloin roast until a meat thermometer registers 130 degrees at the CENTER of the roast for medium rare at the center, medium on the ends. This should take around 20 â 30 minutes per pound, but never rely on exact times. Use a meat thermometer instead.
1 Speed cooking time by setting your Crock-Pot to high and cooking a sirloin tip roast for four to five hours. 2  This may result in a less-tender roast, however, because the combination of low cooking temperatures and time produces a more tender roast.eason the roast with a dry rub seasoning up to 24 hours before cooking it in your Crock-Pot. Keep it simple by rubbing the roast with a mixture of black pepper and minced garlic, or add extra flavor with additional seasonings such as coriander, paprika, fresh or dried rosemary, grated onion and dried thyme.