Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to make elderflower and lemon drizzle cake [title] Preheat the oven to 180ºc, fan 160ºc, or gas mark 4. [step] Grease a (20 cm) round, deep loose-based tin and baseline with baking parchment. [title] Place the butter, sugar and lemon zest in a large bowl.

Ending1: [step] Whisk well but not too vigorously or you may cause the sugar and lemon zest to separate; this will not affect the glaze consistency. [title] Slowly pour the lemon liquid into the beaten sugar and lemon zest mixture. Ending2: [step] If you don't have any butter, you can use a spoon to lightly mash the butter and sugar. [title] Beat the butter and sugar together (2 to 3 times) with a stand mixer on low speed. Ending3: [step] Use an electric whisk to beat the butter and sugar together until they are pale and fluffy. [title] Gradually add the eggs, whisking well between additions. Ending4: [step] Make sure to evenly coat both surfaces, in readiness for each ingredient. [substeps] If using a single piece of cupcake for double-glazing, add the lemon zest first.

Answer format: ending1/ending2/ending3/ending4