French Butter Cake - cooking recipe

Ingredients

1 lb butter (or margarine)
6 egg yolks
4 cups all-purpose flour
1 teaspoon salt
1 1/2 cups sugar
1 tablespoon vanilla
1/4 cup orange liqueur (or rum)
1 egg, well beaten

Preparation

Heat oven to 350 degrees F.
Cream butter or margarine in bowl. Beat in egg yolks. Mix well.
Sift flour and salt onto board or into large bowl. Make a well in the center. Put sugar and egg-yolk mixture in well. Mix with flour gradually until blended.
Mix in vanilla and orange liqueur or rum. Knead dough well.
Turn into 9x9x2-inch pan. Spread evenly with spatula. Brush with beaten egg.
Bake 1 1/4 to 1 1/2 hours. Cool in pan. Cake keeps several weeks wrapped in foil.