Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to create a macaron cake [title] Blend the almonds, pistachios, and sugar. [step] Pour the ground almonds into a food processor. Add the shelled pistachios and confectioner's sugar.

Ending1: Combine everything together until the mixture is light and fluffy. [substeps] This recipe leaves the vanilla flavor in the pistachios, so be sure to add those in the right order. Ending2: Close the food processor and pulse it a few times until the mixture turns fine and powdery. [substeps] If you don't like pistachios, you can replace them with more ground almonds instead. Ending3: Process the almonds in a blender, until you have a smooth cake made from finely ground almonds. [substeps] Taste the cake while still processing so you know the right consistency. Ending4: Pulse the mixture a few times to blend everything together evenly. [substeps] If you like a stronger flavoring, increase the processing time to two hours.

Answer format: ending1/ending2/ending3/ending4