Merlin /mer-lin/ [2 sylls.] as a boys' name is pronounced MER-lin. It is of Welsh origin, and the meaning of Merlin is sea fortress.Mythology: Arthurian tales describe Merlin as the wizard who was King Arthur's mentor. Myrddin, the wizard who tutored King Arthur in British legend was known as Myrddin Emrys.erlin /mer-lin/ [2 sylls.] as a boys' name is pronounced MER-lin. It is of Welsh origin, and the meaning of Merlin is sea fortress.
1 Preheat oven to 375 degrees F. 2  Coat beets lightly with oil. 3  Wrap beets in aluminum foil, place on a baking sheet, and roast in the oven until cooked through, approximately 45 to 60 minutes.  Remove from the oven, let cool for 10 minutes, and then peel and slice into 1/4-inch thick slices.
How to Freeze Roasted Beets. 1  Follow instructions 1 through 3, above. 2  Heat the oven to 400 F (200 C/Gas 6). 3  Arrange the beets in a large rimmed baking or roasting pan.  Cover the pan tightly with 1  foil. Roast the beets for about 45 minutes to an hour, depending on size, or until tender.  Continue with steps 8 through 10, above.