Butter, for greasing pan
Flour, for dusting pan
1 (3-ounce) package lime-flavored gelatin
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3 cups sugar
2 cups sifted all-purpose flour
½ teaspoon salt
1 teaspoon baking powder
1 teaspoon baking soda
1½ cups vegetable oil
¾ cup orange juice
1 tablespoon lemon juice
½ teaspoon vanilla extract
5 large eggs, slightly beaten
For the glaze:
½ cup key lime juice (from about 25 small Key limes or 4 large regular limes)
½ cup confectioners’ sugar
For the icing:
½ cup (1 stick butter), room temperature
1 (8-ounce) package cream cheese, room temperature
1 (1-pound) box confectioners’ sugar
1. For the cake: Preheat the oven to 350 degrees and grease and flour one 9- by 12-inch cake pan.
2. In a large mixing bowl, mix the gelatin, sugar, flour, salt, baking powder and baking soda. Stir to mix well. Add the oil, orange juice, lemon juice, vanilla and eggs. Mix until well combined. Pour the batter evenly in the pan and bake for 35 to 40 minutes. Test for doneness by lightly touching the top or inserting a toothpick. Cool the cake in the pan for five minutes then turn out onto a cooling rack.
3. For the glaze: While the cake is still hot, mix the lime juice and confectioners’ sugar together well. Pierce the cake with a fork to allow the glaze to soak in better and pour the glaze over the cake on the cooling rack. Allow cake to cool completely as you prepare the icing.
4. For the icing: Cream the butter and cream cheese. Beat in the confectioners’ sugar until mixture is smooth and easy to spread. Spread the icing on the top and sides of the cake.
Cook’s note: You can also use three 9-inch round cake pans and make this into a layer cake.
— Adapted by Tampa Bay Times from “Home Cooking with Trisha Yearwood”