Great Grandma Lizzie'S Orange-Sponge Cake
["4 eggs", "1 1/2 c. sugar", "1/2 c. orange juice", "3 1/2 c. self-rising flour", "1 tsp. baking powder", "1/2 tsp. salt", "1/2 tsp. grated orange rind"]
["Preheat oven to 325\u00b0.", "Mix all ingredients together.", "Pour into a greased and floured tube pan.", "Bake for 45 minutes to 1 hour."]
["eggs", "sugar", "orange juice", "flour", "baking powder", "salt", "orange rind"]