Chef ErnieAug. 16, 2019 05:43PM EST 272 How To Cook a Top Sirloin Roast | The Kitchen Magpie www.thekitchenmagpie.com Try itSee the full directions on my site How to Cook a Top Sirloin Roast. A tried & true method of cooking a sirloin roast that yields a seriously tender & delicious roast for your dinner!