1/3 cup or 2 oz of almonds
1.25 cups all purpose flour
3 tbs sugar
1/4 tsp salt
6 tbs chilled unsalted butter , cut into 1/2 inch pieces
2 tbs ice water
2/3 cup of lemon juice
1/2 cup sugar
3 tbs creme fraiche or sour cream
4 large eggs
Lemon slices
Finely grind almonds in processor
Add flour, sugar and salt until blended
Add butter and process until mixture resembles coarse meal
With machine running add water 1 tbs at a time and blend until moist clumps form
Gather dough into a ball , flatten into disk
Wrap in plastic ; chill at least 1 hour and up to 1 day
Preheat oven to 375
Roll out dough on floured surface to 12 inch round
Transfer to 9 inch diameter tart pan with removable bottom
Fold dough overhang in pressing to adhere and forming double thick sides
Pierce dough all over with fork
Freeze for 20 minutes
Bake crust until set and light golden about 30 minutes , piercing crust with fork if crust bubbles
Cool on rack for 15 minutes
Return oven to 375
Whisk lemon juice and sugar in a medium bowl to blend
whisk in creme fraiche
Whisk in eggs , one at a time
Pour mixture into crust
Bake tart until filling is set, covering crust edges with foil if browning too quickly about 35 minutes
Cool pan completely in pan on rack
Refrigerate until cold or about 2 hours (can be prepared 1 day in advance)
Remove pan sides
Garnish with lemon slices and serve