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cinnamon oatmeal muffin and oats in muffin tin

Cinnamon Oatmeal Muffins

  • Author: Brooke
  • Prep Time: 17 minutes
  • Cook Time: 18 minutes
  • Total Time: 33 minutes
  • Yield: 18 muffins 1x
  • Category: muffin
  • Method: bake
  • Cuisine: breakfast


Fluffy, soft muffins full of whole grain oats and warm cinnamon. This simple and easy muffin recipe freezes well and reheats fast for a quick and healthy breakfast.



2 cup quick-cooking oats

2 cup buttermilk

2 eggs

1 cup packed brown sugar

1/4 cup vegetable oil

1/4 cup unsweetened applesauce

1 Tablespoon vanilla extract 

2 cups white whole wheat flour

2 teaspoon baking powder

1 teaspoon baking soda

1 teaspoon salt

1 teaspoon cinnamon


  1. Preheat oven to 400F. 
  2. Combine oats and buttermilk in a large bowl, stirring to combine. Let sit while you measure out the remaining ingredients and prepare baking pans, about 10-15 minutes. 
  3. Spray muffin pans with nonstick baking spray, or line 18 muffin cups and set aside. 
  4. Combine brown sugar, eggs, vegetable oil, applesauce, and vanilla extract, stirring to mix into the oat mixture. 
  5. In a separate bowl, mix white whole wheat flour, baking powder, baking soda, cinnamon, and salt. 
  6. Add flour mixture to the oat mixture, gently stirring until just combined. 
  7. Distribute evenly between 18 prepared muffin cups.
  8. Bake at 400 F for 16-18 minutes, until a toothpick inserted into the center of muffins comes out clean. 
  9. Cool slightly in muffin tins before removing to cooking racks. 
  10. Serve.


To freeze: place muffins in a single layer in a freezer safe bag.

To warm frozen muffins: place muffins on a microwave safe plate and heat for 30-45 seconds for 1-3 muffins. Increase time for 4 or more muffins.

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