Ingredients :

1 c butter, softened
2 c granulated sugar
3/4 c buttermilk
1/3 c key lime juice
5 large eggs
3 c all-purpose flour
1 1/2 t salt
1/2 t baking powder
1/2 t baking soda
green food coloring (optional)

Key Lime Buttercream Frosting

1/2 c butter, softened
1 1/2 t key lime zest
1 t vanilla extract
1/8 t salt
2 c powdered sugar
3 T key lime juice
1-2 T milk

Cake Layers Directions:

Preheat oven to 350*F. Prepare 3 layered cake pans, 10″ tube pan, or 2 loaf pans. In small bowl, combine buttermilk and lime juice, set aside. Cream butter and sugar until fluffy. Add in eggs one at a time, beating well to fully combine. Combine flour, salt, baking soda and powder in separate bowl, stir to combine. Add flour and buttermilk mixtures to butter mixture, alternating, starting and ending with flour. Do not overmix. Add in food coloring (to desired darkness), stir just to combine. Spoon batter into prepared pan(s). Bake for 30 – 35 minutes (layered), 50-60 minutes (pound), testing with a toothpick for doneness …

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