Pour boiling water into top of a double boiler; stir in cornmeal, water, and salt. Cook over boiling water, stirring occasionally, 2 to 3 minutes; cool.
Stir cornmeal mixture into eggs in a large bowl. Add remaining ingredients; mix well.
Pour mixture into a well - greased 13- x 9- x 2-inch baking pan. Bake, uncovered, at 250° for 2 hours and 15 minutes. Serve warm with lemon sauce.