Mom's Key Lime Cake

Awesomely moist and tart cake. My mom makes this from a recipe she found and I'm posting it here because it's a favorite of mine to make too. If you like lime, you'll love it.

• Ready In: 20 mins
• Serves: 12
• Yields: 12 Slices

Ingredients

• 1 (18 1/4ounce) package  lemon cake mix
• 1  cup  vegetable oil
• 4  eggs
• 1 (3 ounce) package  lime flavored gelatin powder
• 1  cup  orange juice
• 1⁄2 cup butter
• 1 (8 ounce) package cream cheese (I use fat free with great results)
• 3  tablespoons  fresh key lime juice (I used bottled key lime)
• 4  cups confectioners' sugar
•  lime zest

Directions

1. Combine cake mix, gelatin mix, oil, eggs and orange juice.
2. Pour into three 8 inch cake pans.
3. Bake according to instructions on box.
4. Allow to cool, then poke holes in cakes while in pans and pour key lime juice over layers.
5. To make the frosting: In a large bowl, beat the butter and cream cheese until light and fluffy. Add lime juice and confectioners sugar. Add lime zest if desired. Mix well and ice cakes.
6. You can substitute ingredients for a lighter cake and it still turns out well.