Grape-Nuts Pudding

6 tablespoons flour
12 tablespoons Grape-Nuts�
12 tablespoons melted butter
3 cups granulated sugar
6 egg yolks
3 cups milk
9 teaspoons grated lemon rind
9 tablespoons lemon juice
6 stiffly beaten egg whites

Preheat oven to 325 degrees F.

Mix flour, Grape-Nuts� and melted butter.

Add sugar, egg yolks, milk, lemon rind and lemon juice.

Add stiffly beaten egg whites.

Pour into a 2-quart buttered casserole and set in a pan of water.

Bake for one hour. If knife comes out rather clean, it is done.

Serve cold.