Grandma's Oatmeal Cake

Grandma's Oatmeal Cake Recipe

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Jennifer Horn


My Grandma Emma made this cake when I was a little girl, it was and still is my favorite cake. My husband and kids request I make it frequently, must be one of their favorites also.


★★★★★ 1 vote



  • 1 1/2 c
    boiling water
  • 1/2 c
  • 1 c
  • 1 c
    brown sugar
  • 2
  • 1 tsp
  • 1 tsp
    baking soda
  • 1/2 pkg
    powdered sugar
  • 1/2-2/3 c
    peanut butter
  • 1/8-1/4 c
    brewed coffee
  • 1 1/2 c
    oatmeal, old fashioned
  • 1 1/2 c

How to Make Grandma's Oatmeal Cake


  1. Preheat oven to 350 degress.
  2. Pour boiling water over oatmeal and set aside for 20 minutes.
  3. Cream butter, sugars, and add eggs. Beat well, add vanilla. Add four with the soda added to it alternately with the oatmeal mixture. Mix well
  4. Put it greased 9x13 pan and bake for 27-30 minutes. Cool completely and frost with peanut butter frosting.
  5. For Frosting: measure peanut butter into bowl add powdered sugar to desired taste, thin with cold brewed coffee. Beat until smooth and creamy. Frost cake, eat and enjoy.

Printable Recipe Card

About Grandma's Oatmeal Cake

Course/Dish: Cakes
Main Ingredient: Rice/Grains
Regional Style: American

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