Instructions

1. Preheat your oven to 350 degrees Fahrenheit.

2. Place a large spoonful of flour in a browning bag. Hold the mouth of the bag closed and shake it well to coat the inside with the flour. This is a good task for young helpers, if you’re sure they’ll hold the bag tightly closed while they're shaking it.

3. Rinse your roast and pat it dry with paper towels. Season the roast with a packet or two of onion soup mix, depending on the size of the roast. Pat the seasoning into the meat to help it stick.

4. Place the roast into the flour-coated oven bag and twist the end closed. Secure it with one of the twist ties included with the browning bags.

5. Put the bagged roast into a roasting ban or baking dish large enough to hold it comfortably. Place it in the center of the preheated oven.

6. Cook the roast for 15 to 20 minutes per pound. Check the internal temperature at the end of the cooking time by poking an instant-read thermometer through the bag and into the thickest part of the roast. This will let some steam escape, but that’s OK. The minimum safe temperature for roast beef is 145 degrees Fahrenheit. If your family prefers the roast rare, take it out of the oven when it reaches 135 degrees Fahrenheit, because the temperature will rise by 10 degrees as it rests. Take it out of the oven when it reaches 150 degrees Fahrenheit for a medium roast.

7. Remove the roast from the bag when it has rested for at least 15 minutes and slice it across the grain.