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15 Delicious Recipes to Use Up That Leftover Oatmeal

Updated on July 30, 2016

Leftover Oatmeal Muffins

What you need:

  • 1 cup flour
  • 1 cup brown sugar, packed
  • 1 teaspoon baking soda
  • 1 teaspoon baking powder
  • 1/2 cup vegetable oil
  • 2 eggs beaten
  • 1 cup cooked oatmeal
  • 1 cup raisins (note: raisins are always optional)
  • 1 teaspoon vanilla

How to Make:

  1. Preheat oven to 350
  2. Mix brown sugar, baking soda, baking powder and flour in a large mixing bowl.
  3. In a separate bowl, mix the vegetable oil, vanilla, eggs, oatmeal, and raisins
  4. Once both bowls are thoroughly mixed, combine the wet and dry ingredients and stir just enough for the dry ingredients to become moist.
  5. Grease or line muffin tin and pour in mixture.
  6. Bake for about 20 minutes. Makes 12 muffins

Leftover Oatmeal Bread

What you need:

  • 3 cups leftover cooked oatmeal
  • 2 cups warm water
  • 4 tbsp honey
  • 2 tsp instant yeast
  • 2 tsp kosher salt
  • 4 cups all-purpose flour

How to Make:

  1. Warm up oatmeal until it's slightly warm. Stir it up so the temperature is even throughout
  2. In a large mixing bowl, mix oatmeal, honey, water, and yeast. Mix it just enough to break up the oatmeal. Let it sit for about 15 minutes.
  3. Add salt and 2 cups flour to the mixture and stir thoroughly. Keep adding flour while stirring until the mixture becomes dough that just barely holds together.
  4. Knead the dough and add more flour as needed for about three minutes. Cover and let sit for 20 minutes.
  5. Knead the dough again for about four minutes. When the dough's surface is smooth and not sticky, then you can stop kneading.
  6. Place the dough in a clean bowl with a little bit of oil in it.
  7. Turn the bowl so the entire surface of the dough is covered in oil.
  8. Cover bowl and let the dough rise until its size has doubled.
  9. Turn it out on a floured surface and punch it down. Shape into 2 loaves.
  10. Preheat oven to 375 degrees.
  11. Bake for 30 minutes or until it sounds hollow when you tap it.

Cinnamon Coffee Cake Muffins

What you need:

  • 1/2 cup butter
  • 1 1/4 cups sugar
  • 1 tbsp molasses (optional)
  • 2 eggs
  • 1 tsp vanilla
  • 2 cups oatmeal (cooked, cooled)
  • 11/2 cups flour
  • 1 tsp baking soda
  • 1 tsp baking powder
  • 1/2 tsp salt
  • 1 tsp cinnamon
  1. Use beater to mix butter and sugar. Beat for about 1 minute on medium speed.
  2. Add eggs, vanilla, and molasses to the mixture and mix with a wooden spoon.
  3. Now put in the remaining ingredients and stir until until they are just combined. Chunks are okay.
  4. Grease muffin tin and preheat oven to 400 degrees
  5. Fill the muffin cups about 2/3 of the way full and bake for 10 minutes or until golden brown. Makes about 24 muffins.

Oatmeal Pancakes

What you need:

  • 1 cup oatmeal (cooked)
  • 1 large egg
  • 1/2 tsp vanilla
  • 1/2 tsp cinnamon
  • 1/4 tsp salt
  • 1/2 tsp baking soda
  • 1 tbsp unsalted butter (soft)

How to make:

  1. Combine oatmeal, vanilla, egg, cinnamon, baking soda, and salt
  2. Put butter into a medium saucepan and heat it over medium heat. Tilt the pan so all of it gets coated with butter.
  3. Pour 1/4 cup of the batter into the pan.
  4. Cook the pancake on the first side until bubbles appear on the top of the pancake.
  5. Flip the pancake and cook the second side until golden brown.
  6. Repeat steps 3,4, and 5 until all of the batter is used up and enjoy.

Overnight Mason Jar Apple Pie

What you need:

  • 1 cup oatmeal, cooked
  • 1/3 cup of unsweetened vanilla almond milk
  • 1/2 tsp apple pie spice
  • 2 Tbsp chopped walnuts (optional)
  • 1/3 cup chopped apple pieces
  • 1 tsp honey
  • 1/4 tsp vanilla

How to Make:


  1. Put the oatmeal in mason jar or other lidded container.
  2. Add the almond milk, honey, vanilla, and spices. Stir until completely mixed.
  3. Next add the apple pieces and chopped walnuts.
  4. Put the lid on the jar and refrigerate for 8 hours. Serve cold.
  5. Add the almond milk, applesauce and spices. Stir until completely mixed.
  6. Add walnuts and apple pieces and mix.
  7. Put the lid on the jar and refrigerate for 8 hours. Serve cold.

Oatmeal Patties

What you need:

  • 1 cup cooked oatmeal
  • 1 tbsp butter or oil

How to make:

  1. Heat butter or oil up in saucepan on medium heat. Tilt the pan so it's coated on all sides.
  2. Put 1/4 cup cooked oatmeal into pan when it's heated.
  3. Cook one side of patty until it can keep its form and no longer sticks to the pan. The cooked side should be golden brown.
  4. Carefully flip and let cook until second side is golden brown.
  5. Repeat steps 2, 3, and 4 until all the oatmeal is cooked. Serve hot and with molasses, honey, or syrup.

Overnight Creamy Pumpkin Maple Oatmeal

What you need:

  • 1 cup water
  • 2 cups milk of choice
  • 2 cup oatmeal, cooked
  • 1 1/2 teaspoons pumpkin pie spice
  • 3/4 teaspoon kosher salt
  • 1/4 cup pumpkin puree
  • 1/4 cup pure maple syrup

How to Make:

  1. Put water and milk in a medium pot and bring it to a boil over medium heat.
  2. Add oatmeal, pumpkin pie spice and mix.
  3. Bring the mixture back to a boil and cook for about 1 minute and thirty seconds, stirring occasionally. This does have a tendency to boil over, so adjust the heat as necessary.
  4. Take the pot off the heat and put a lid on it. Let it sit overnight, or for about eight hours.
  5. Put the pot back over medium heat and stir in the pumpkin and maple syrup.
  6. Cook for 10 minutes or until the mixture is warm and soft. Enjoy!

Banana Oatmeal Almond Butter Muffins

What you need:

  • 1 cup almond meal
  • 1/2 cup cooked oatmeal
  • 1 tsp baking soda
  • 1/2 tsp sea salt
  • 1/4 tsp cinnamon
  • 2 bananas, mashed
  • 2 eggs
  • 1 tbsp Apple Cider Vinegar
  • 1 tsp vanilla extract
  • 2 tbsp almond butter
  • 2 tbsp almond milk
  • 1/2 cup peanut butter chips

How to Make:

  1. Preheat oven to 350 degrees.
  2. Grease inside of muffin tin, enough to make 12 muffins
  3. In a large bowl, combine almond meal, baking soda, sea salt, and cinnamon
  4. In a separate bowl, coming oatmeal, bananas, eggs, apple cider vinegar, vanilla, almond butter, and almond milk.
  5. Mix together dry and wet ingredients until just combined. Mix in the chocolate chips. Stir sparingly to keep the muffins from becoming tough.
  6. Bake for about 22 minutes or until toothpick comes out clean.

Single Serving Baked Pumpkin Oatmeal

  • 1/2 cup cooked oatmeal
  • 1/4 tsp pure vanilla extract
  • 1/2 tsp cinnamon
  • 1/8 tsp pumpkin pie spice
  • 1 1/2 to 2 tbsp maple syrup
  • 1/4 cup canned pumpkin
  • 1/4 cup milk of choice
  • 1/8 tsp salt

How to Make:

  1. Preheat oven to 380 degrees.
  2. Mix oatmeal, spices, pumpkin, and milk
  3. Pour mixture into a mini loaf pan
  4. Cook for about 20 minutes, or until it's firm.
  5. Set the oven to "high broil" for about three more minutes to give it a crispy crust.
  6. Serve hot or cold and enjoy!

Baked Banana Oatmeal

What You Need:

  • 3 ripe bananas
  • 1 egg, beaten
  • 1 cup skim milk
  • 1 tsp vanilla extract
  • 2 cups cooked oatmeal
  • 1 tsp baking powder
  • 1/4 tsp kosher salt
  • 1 tbsp brown sugar

How to Make:

  1. Preheat oven to 375 degrees
  2. Slice 2 bananas and set aside.
  3. Mash the remaining banana and mix with milk, egg, oatmeal, and vanilla.
  4. Stir in baking powder and salt and mix well
  5. Line 8-inch square baking pan with wax paper or grease. Place half of the banana slices in a pattern on the bottom.
  6. Pour batter into the pan
  7. Top with the remaining banana slices
  8. Bake for 25- 27 minutes
  9. Once baked sprinkle brown sugar on top
  10. Turn on high broil and broil for about three minutes.
  11. Serve warm.

Slow Cooker Irish Oatmeal

What You Need:

  • 4 cups vanilla soy milk
  • 2 cups cooked oatmeal
  • 1/2 cup dried cherries or raisins (always optional)
  • 1/2 cup plus 3 tbsp pure maple syrup
  • 1/2 tsp salt
  • 1/4 tsp ground allspice
  • 3 cups water

How to Make:

  1. Coat 4-quart slow cooker with cooking spray
  2. Mix milk, oatmeal, raisins, 1/2 cup maple syrup, allspice, salt, and water in cooker.
  3. Cook on high for about 2 hours
  4. Turn off slow cooker and add 3 tbsp maple syrup
  5. Serve hot and enjoy!

Ginger Oatmeal Pecan Cookies

  • 3/4 cup flour
  • 3/4 tsp salt
  • 1/2 tsp baking soda
  • 1 tsp ground cinnamon
  • 3/4 cup unsalted butter
  • 1 1/2 cup organic turbinado sugar
  • 1 large egg
  • 2 tsp vanilla extract
  • 3 cups oatmeal
  • 1/3 cup finely chopped crystallized ginger
  • 1/2 cup chopped pecans

How to Make:

  1. Preheat oven to 400 degrees
  2. Combine flour, baking soda, cinnamon, and salt
  3. In a separate bowl, beat butter and sugar until fluffy
  4. Add egg and vanilla and beat together
  5. Add ginger, oatmeal, and nuts and stir together
  6. Divide dough into 30 balls.
  7. Place balls 2 inches apart on greased cookie sheet. Press down lightly on each ball.
  8. Bake about 13 minutes, or until golden brown. Let cool before removing from pan.


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    Post Comment
    • Kara Skinner profile imageAUTHOR

      Kara Skinner 

      4 years ago from Maine

      Thank you!

    • Larry Rankin profile image

      Larry Rankin 

      4 years ago from Oklahoma

      Wonderful food saving ideas.


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