2 c. brown sugar
1/2 c. butter, melted
3 whole eggs
1 extra egg yolk
1 tsp. vanilla

Combine the brown sugar, butter, eggs plus 1 extra yolk and vanilla. Beat only lightly until barely mixed. Pour into "tart" size pastry shells. Bake at 375 degrees for 20 to 25 minutes. Yield: 12 to 13 tarts.