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    Home » Recipes » Desserts (Baked) » Old Fashioned Oatmeal Cake

    PUBLISHED: October 20, 2022 • By Toni Dash 8 Comments

    Old Fashioned Oatmeal Cake

    Jump to Recipe

    This post may include affiliate links. As an Amazon Associate I earn from qualifying purchases.

    old fashioned oatmeal cake with text.

    This old-fashioned Oatmeal Cake is the kind that grandma used to make. The warm spices all pull together with a crunchy broiled coconut and pecan topping that makes it a delicious treat to enjoy with a cup of coffee. Enjoy a slice of warm cake for dessert or to satisfy a breakfast sweet tooth or an afternoon snack on a chilly fall day.

    old fashioned oatmeal cake with text.

    This humble old school oatmeal cake recipe is a family favorite. It’s that perfect dessert you’d find in your family recipe box in your grandmother’s handwriting. Grandma’s oatmeal cake has been to church functions, bake sales and most certainly a long time popular cake at Sunday dinners and holiday tables.

    It’s similar to Lazy Daisy Cake in that it has a broiled shredded coconut topping. Though this is an oatmeal cake, the cake does not taste like oatmeal. The oats simply give this a soft texture to the cake.

    The warm butter, brown sugar, coconut, pecan broiled topping on top of the cake makes us remember why this old-fashioned cake has never gone out of style.

    Grandma’s Oatmeal Cake is a simple recipe for a delicious cake that will become one of your favorite recipes. It’s affordable to make, easy and out of the ordinary. Try our Iced Oatmeal Cookies too!

    Jump to:
    • Recipe Ingredients Notes
    • How to make Oatmeal Cake
    • Expert Tips
    • How to Store
    • More recipes you’ll love!
    • Recipe

    Recipe Ingredients Notes

    oatmeal cake labelled ingredients.

    Old-fashioned oats. Also called rolled oats. You’ll need 1 cup. Regular or gluten-free old fashioned oats can be used. Do not use quick oats or instant oats for this recipe.

    Unsalted butter. One half cup butter (one stick in the U.S.) is needed for the cake and 3 tablespoons of melted butter for the cake topping. Start with softened or room temperature butter for best results.

    Eggs. Use 2 large eggs.

    All purpose flour. Regular all purpose flour or gluten-free measure-for-measure flour can be used. For gluten-free baked goods we use and recommend Bob’s Red Mill gluten-free 1-to-1 flour blend.

    Sweetened shredded coconut. This is used in the topping. Be sure to use sweetened coconut.

    Pecans. Chopped pecans are used in the topping (1/2 cup).

    Milk. We used whole dairy milk though any milk should work.

    Oatmeal Cake in a pan overhead.

    How to make Oatmeal Cake

    STEP 1. Preparation

    Pre heat oven to 350 degrees F. Spray a 9-inch by 9-inch baking pan with non-stick cooking spray (photo 1).

    oatmeal cake recipe steps 1-4.

    STEP 2. Prepare the oats

    In a small bowl, combine the oats and boiling water (photo 2). Mix together, cover, and set aside while continuing with the recipe (photo 3).

    oatmeal cake recipe steps 5-8.

    STEP 3. Make the cake batter

    In a large bowl, using a hand electric mixer or in the bowl of a stand mixer fitted with paddle attachment, beat together the softened butter and granulated white sugar until light and fluffy (photo 4). Mix in the vanilla extract and eggs to the creamed mixture (photo 5). Set aside.

    In a medium bowl, whisk together the dry ingredients: flour, baking soda, salt, cinnamon, and nutmeg (photo 6). Set aside.

    Using a spoon or spatula, fold the softened oatmeal mixture into the wet ingredients mixture (photo 7). Add the flour mixture into the wet ingredients mixture and fold it all together until combined scraping bowl as needed (photo 8). Don’t overmix.

    Spoon into the prepared baking dish (photo 9).

    oatmeal cake recipe steps 9-12.

    STEP 4. Bake

    Bake for 40-50 minutes, until a toothpick inserted into the middle comes out clean (photo 10).

    STEP 5. Make topping

    While the old fashioned oatmeal cake bakes, prepare the topping mixture.

    In a small bowl, combine all of the topping ingredients (melted butter, light brown sugar, shredded coconut, pecans, milk and vanilla extract) and fold it together with a fork until combined (photo 11).

    When the cake comes out of the oven spread the topping mixture over the top of the hot cake.

    Place the cake back into the oven with the broiler on and cook for 2-5 minutes, until the top is golden brown (photo 12). Watch carefully as this process will go quickly and the topping will burn if left for too long.

    STEP 6. Cool

    Allow the classic cake to cool on a wire rack for 15 minutes before serving. Best served warm, still delicious served cooled.

    Oatmeal Cake slice close up.

    Expert Tips

    Closely monitor during broiling. When broiling food can go from fine to burnt in a few seconds so really monitor the cake topping when broiling.

    How to Store

    Store covered in an airtight container at room temperature for up to two days or refrigerated for up to five days. If chilling the cake allow it to warm to room temperature before serving for best flavor.

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    Recipe

    Oatmeal Cake slice from side on server cropped.

    Old Fashioned Oatmeal Cake

    This classic oatmeal cake is tender and sweet with a broiled coconut and pecan topping. It's delicious dessert and easy to make.
    5 from 60 votes
    Print Save Recipe Recipe Saved! Pin Rate
    Course: Dessert
    Cuisine: American
    Diet: Gluten Free, Vegetarian
    Prep Time: 15 minutes
    Cook Time: 50 minutes
    Cooling time: 15 minutes
    Total Time: 1 hour 20 minutes
    Servings: 12 to 16 slices
    Calories: 330kcal
    Author: Toni Dash
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    Ingredients

    Oatmeal Cake

    • 1 cup old fashioned oats regular or gluten-free; do not use quick oats or instant oats
    • 1 ¼ cup boiling water
    • 1/2 cup (1 stick) unsalted butter softened
    • 1 cup granulated sugar
    • 1 teaspoon vanilla extract
    • 2 large eggs
    • 1 ½ cup all purpose flour regular or gluten-free measure-for-measure flour blend
    • 1 teaspoon baking soda
    • ½ teaspoon salt
    • ¾ teaspoon cinnamon
    • ¼ teaspoon nutmeg

    Topping

    • 3 tablespoons unsalted butter melted
    • 1/3 cup light brown sugar
    • ½ cup sweetened shredded coconut
    • ½ cup chopped pecans
    • 2 tablespoons milk
    • ½ teaspoon vanilla extract

    Instructions

    • Preheat oven to 350 degrees F. Spray a 9-inch by 9-inch baking pan with non-stick cooking spray.
    • In a small bowl, combine the oats and boiling water. Mix together, cover, and set aside while continuing with the recipe.
      1 cup old fashioned oats, 1 ¼ cup boiling water
    • In a large bowl, using a hand electric mixer or in the bowl of a stand mixer fitted with paddle attachment, beat together the softened butter and granulated white sugar until light and fluffy.
      1/2 cup (1 stick) unsalted butter, 1 cup granulated sugar
    • Mix in the vanilla extract and eggs to the creamed mixture. Set aside.
      1 teaspoon vanilla extract, 2 large eggs
    • In a medium bowl, whisk together the dry ingredients: flour, baking soda, salt, cinnamon, and nutmeg. Set aside.
      1 ½ cup all purpose flour, 1 teaspoon baking soda, ½ teaspoon salt, ¾ teaspoon cinnamon, ¼ teaspoon nutmeg
    • Using a spoon or spatula, fold the softened oatmeal mixture into the wet ingredients mixture. Add the flour mixture into the wet ingredients mixture and fold it all together until combined scraping bowl as needed. Don’t overmix.
    • Spoon into the prepared baking dish.
    • Bake for 40-50 minutes, until a toothpick inserted into the middle comes out clean.
    • While the cake bakes, prepare the topping mixture. In a small bowl, combine all of the topping ingredients (melted butter, light brown sugar, shredded coconut, pecans, milk and vanilla extract) and fold it together with a fork until combined.
      3 tablespoons unsalted butter, 1/3 cup light brown sugar, ½ cup sweetened shredded coconut, ½ cup chopped pecans, 2 tablespoons milk, ½ teaspoon vanilla extract
    • When the cake comes out of the oven spread the topping mixture over the top of the hot cake.
    • Place the cake back into the oven with the broiler on and cook for 2-5 minutes, until the top is golden brown.
      Watch carefully as this process will go quickly and the topping will burn if left for too long.
    • Allow the classic cake to cool on a wire rack for 15 minutes before serving. Best served warm, still delicious served cooled.

    Notes

    Closely monitor during broiling. When broiling food can go from fine to burnt in a few seconds so really monitor the cake topping when broiling.
    How to Store
    Store covered in an airtight container at room temperature for up to two days or refrigerated for up to five days. If chilling the cake allow it to warm to room temperature before serving for best flavor.

    Nutrition

    Calories: 330kcal | Carbohydrates: 42g | Protein: 4g | Fat: 17g | Saturated Fat: 9g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 5g | Trans Fat: 0.4g | Cholesterol: 56mg | Sodium: 236mg | Potassium: 99mg | Fiber: 2g | Sugar: 25g | Vitamin A: 380IU | Vitamin C: 0.1mg | Calcium: 27mg | Iron: 1mg
    Did you make this recipe?Mention @boulderlocavore or tag #boulderlocavore!
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    ABOUT THE AUTHOR

    TONI DASH
    Toni Dash head shot

    Toni Dash, is a Certified Nutrition Coach and the writer/blogger, photographer, recipe developer and creator of Boulder Locavore®. She has been developing easy to make, well-tested recipes since 2010. Her seasonal recipes bring excitement to the dining table for both gluten-free and gluten diners. Toni has been featured in numerous publications and on culinary websites for her creative, delicious recipes and travel features. For more details, check out her About page.

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    Reader Interactions

    Comments

    1. wilhelmina says

      October 21, 2022 at 8:07 am

      5 stars
      We love this for Fall breakfasts! So cozy and hearty!

      Reply
    2. Kathleen says

      October 20, 2022 at 8:31 am

      5 stars
      Love all the ingredients in this cake. Delicious.

      Reply
    3. Teresa w says

      October 20, 2022 at 8:31 am

      5 stars
      My whole family loved this!! Best texture and delicious!

      Reply
    4. Kim says

      October 20, 2022 at 8:14 am

      5 stars
      This cake was so moist and delicious, and the recipe is fairly easy, too. I’ll definitely be making it again!

      Reply
    5. Stephanie says

      October 20, 2022 at 8:13 am

      5 stars
      The topping on this cake is absolutely amazing. My grandma never made one like this, but I sure wish she did! Delicious!

      Reply
    6. Dannii says

      October 20, 2022 at 7:22 am

      5 stars
      What a delicious budget friendly cake. So much flavour too.

      Reply
    7. Michelle says

      October 20, 2022 at 7:14 am

      5 stars
      I love the spices in this cake! Makes the whole house smell like fall!

      Reply
    8. Jess says

      October 20, 2022 at 7:12 am

      5 stars
      I love the topping with the coconut and pecans. Yummmm!

      Reply

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    About Toni Dash

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    Welcome! I’m Toni. I’m a Certified Nutrition Coach and my goal is to MAKE YOUR LIFE EASIER with delicious, well-tested recipes and travel tips! More About Me …

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