[header] How to make a lemon cheesecake [title] Prepare the lemon curd. [step] Using a heavy 2 quart saucepan, stir the lemon zest, juice, sugar and eggs with a whisk. [title] Cook the butter over heat that's moderately low. 
[step] Frequently whisk it, until the lemon curd is thick enough for marks to appear and the first bubbles come up on the surface (an estimate of about 6 min. ) [title] Pour the curd through a fine-mesh sieve into a wide shallow dish.