Step 1

Crush the biscuits.

Step 2

Melt the butter and combine it with sugar and biscuit crumbs.

Step 3

Put the mixture into a pie dish (about 22 cm) and pat it down with your fingers in order to make the crust. Bring the crust up the edges too.

Step 4

Bake for 6 minutes.

Step 5

Mix the condensed milk, lime juice, zest and egg yolks until combined.

Step 6

Pour the mixture into the pie crust.

Step 7

Refrigerate the pie for at least 4 hours, but preferably overnight.

Step 8

Serve with some whipped cream if desired. The cream can be sweetened with a hint of sugar.