Post by ccs06 on Nov 12, 2008 at 7:47am. Any advice for cleaning ceramic tile with textured grooves in it? The tile also has little pit holes in it to that the dirt just gets in and sticks as well as along the grove lines. This is in a high traffic area so it is dirty nightly. I started cleaning with a scrub brush and then moved to a handled angled brush to get in the crevices better, but it takes forever and it never looks absolutely clean.
In an oven heated to 275 degrees you cook a roast for 28 minutes per pound. Therefore the estimated cooking time for a 4.8 pound roast is 134 minutes or 2.23 hours.
Heat oven to 400 degrees F. Place the dutch oven or roasting pan in the oven, uncovered. Roast for 1/2 hour, turn the roast over and lower the heat to 350 degrees F. Roast for another 20 minutes or until the internal temperature reaches 130 degrees F. for rare, 145 degrees F. for medium, etc. Remove from the oven and allow it to rest for 15 minutes before carving. After the roast has been removed, place the roaster or dutch oven on top of the stove over medium heat.