1 tablespoon butter
1/2 teaspoon white sugar
1/2 teaspoon cream of tartar
1/2 cup milk
2 eggs
1 teaspoon vanilla extract
1 teaspoon lemon juice
1 teaspoon vanilla extract
Preheat oven to 350 degrees F (175 degrees C). Lightly grease a 9x9 inch pan.
In a large bowl, combine butter and sugar. Stir in cream of tartar, milk, eggs, vanilla extract and lemon juice. Mix well. Pour mixture into prepared pan.
Bake in preheated oven for 60 minutes, or until center is lightly browned. Allow to cool, then cut into squares.