Outer Banks Gluten Free Baker Blog

Big Granny's Old Fashioned Oatmeal Cake (Gluten-Free)

Big Granny's Old Fashioned Oatmeal Cake (Gluten-Free)

Big Granny's Old Fashioned Oatmeal Cake (Gluten-Free)--

Finding my Big Granny's recipe for her Oatmeal Cake yesterday was like finding the Holy Grail!  I have been searching for this yummy recipe for years, and was so happy to modify to make it (fabulously) gluten-free. We even took a page from my Big Granny's book.... we iced it and ate it warm!

Great memories! Hope you enjoy this as much as we do.

Let's make some gluten-free oatmeal cake!  




  • 2 cups gluten-free quick oats
  • 2 sticks butter
  • 2 1/2 cups boiling water
  • 2 cups sugar
  • 2 cups brown sugar
  • 2 3/4 cups gluten free all-purpose flour
  • 5 eggs
  • 2 tsp. baking soda
  • 2 tsp. salt
  • 2 tbsp. cinnamon



  • 4 sticks butter, room temperature
  • 2 cups coconut
  • 4 cups pecans
  • 1 (2 lb) 10 x sugar
  • 1 can evaporated milk


  • Bring water and butter to boil. Remove from heat. Add oatmeal. Let stand for 25 minutes.
  • Preheat oven to 350 degrees F. Spray three 8" round pans. Set aside.

  •  In a large mixing bowl, combine the prepared oats, sugar, brown sugar, flour, eggs, baking soda, salt, and cinnamon. Mix well. 

  • Equally divide the cake mix in the prepared pans. Bake for 25 minutes. Set aside to cool.
  • For the icing: In a large mixing bowl, cream the sugar and butter. Slowly add the milk. Mix well.

  • Fold in the coconut and pecans.

  • Frost the cake. Cake can be frosted while warm (Big Granny did it this way).


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