Bake Semla. A Traditional Swedish Sweet Roll Home / Activity / Bake Semla. A Traditional Swedish Sweet Roll Save to Challenge Pack Download Activity Card View Activity Resources Activity details This activity counts towards... Pancake Day – Batterman Related Subjects... Cooking Cost FREE £ ££ £££ Indoors/Outdoors Indoors Outdoors Day/Night Day Night Ages 3-5 5-7 7-11 11-14 14-18 Seasons Spring Summer Autumn Winter Equipment Skills WhyThis is traditionally eaten on Shrove Tuesday in Sweden.