impossible coconut pie

2 cups milk
2/3 cups sugar
4 eggs
1/4 teaspoon salt
1/4 cup soft butter or margarine
1/2 cup flour
1 cup grated or shredded coconut
1 teaspoon vanilla

mix all ingredients together and beat well
pour into a greased 10 inch pie pan
bake at 350 degrees F
for 1 hour,
or until a knife inserted in pie halfway between center and edge comes out clean.