Open-Face Pear Pie - cooking recipe

Ingredients

unbaked 9-inch pie shell
4 medium pears
juice of 1 lemon
1/4 c. butter
1 c. sugar
1/4 c. flour
1 tsp. vanilla
3 eggs
1/8 tsp. salt
1/8 tsp. ground mace
whipped cream (optional)

Preparation

Use fully ripe Bartlett pears.