WebApr 2, 2019 · Roast in preheated oven for 20 minutes. Reduce heat to 325 degrees F, and insert meat thermometer into roast. Continue cooking about 1 hour, or to desired doneness; remove from oven. Loosely cover …
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WebNov 12, 2022 · See answer (1) Best Answer Copy how long would you cook a sirloin tip roast, 15 lbs and at what temperature? that is in an electric roaster Wiki User ∙ 11y ago …
WebJun 30, 2023 · Directions. Sprinkle roast with salt, thyme, garlic powder and ground pepper. Cover and refrigerate at least 8 hours or up to 24 hours. Meanwhile, in a saucepan, saute onion in 1 tablespoon oil until tender, …