The Best Chocolate Strawberry Sheet Cake References. In a medium mixing bowl cream the butter and sugar. Grease a 20cm x 30cm lamington pan and line with baking paper, allowing the sides to overhang.

Lightly grease the sides of a 20 cm (8 in) round cake tin and line the base with baking paper. Web preheat oven to 170°c (340°f). Grease a 20cm x 30cm lamington pan and line with baking paper, allowing the sides to overhang.