Old Fashioned Banana Cream Pie

1 pie crust (9 inch), baked
3 tablespoons cornstarch
1 2/3 cups water
14 ounces sweetened condensed milk
3 egg yolks, beaten
2 tablespoons butter
1 teaspoon vanilla extract
3 medium bananas
lemon juice
whipped cream

In heavy saucepan, dissolve cornstarch in water; stir in
sweetened condensed milk and egg yolks. Cook and stir until
thickened and bubbly.

Remove from heat; add butter and vanilla. Cool slightly.
Slice 2 bananas; dip in lemon juice and drain. Arrange on
bottom of prepared crust. Pour filling over bananas; cover.
Chill 4 hours or until set.

Spread top with whipped cream. Slice remaining banana; dip
in lemon juice, drain and garnish top of pie. Refrigerate
leftovers.