How long should I cook an "inside round oven roast"?!

Question: I have a 1.5 kg inside round oven roast, and no meat thermometer. I'm going to marinade it for 12-24 hours before cooking. How long do I have to cook it for medium, and at what temperature?

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Answers: I have a 1.5 kg inside round oven roast, and no meat thermometer. I'm going to marinade it for 12-24 hours before cooking. How long do I have to cook it for medium, and at what temperature?

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350
1 1/2 Hours

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get a meat thermometer and shoot for 140

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divo got that one spot on that should put you right about medium

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We would cook it about 3 hours at 350 degrees to ensure that it is cooked well done.

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