Leftover Mashed Potato Cakes are a delightful way to transform your leftover mashed potatoes into crispy, cheesy treats. This recipe is perfect for those times when you have extra mashed potatoes sitting in the fridge, waiting to be used. With a few simple ingredients, you can create something extraordinary that works as a snack, an appetizer, or even a light meal. The combination of melted cheese and green onions adds a savory punch, making these cakes irresistible. Let’s dive into how to make leftover mashed potato cakes that will leave your taste buds singing!
Why You’ll Love This Leftover Mashed Potato Cakes
This recipe for Leftover Mashed Potato Cakes is not just about reducing food waste; it’s about creating something delicious and satisfying. Here are a few reasons why you will love this dish:
- Quick and easy to prepare, perfect for busy weeknights.
- Uses simple ingredients that you likely already have at home.
- Versatile enough to be served as a snack, appetizer, or side dish.
- Golden, crispy outside with a soft and cheesy inside.
- Allows for customization with various herbs or cheeses.
- Great way to use up leftover mashed potatoes, minimizing waste.
- Healthy option with the potential for gluten-free variations.
These cakes are a fantastic addition to the list of best leftover mashed potato recipes because they are both satisfying and delicious. The crispy exterior combined with the creamy interior creates a wonderful texture contrast that everyone will enjoy.
Ingredients for Leftover Mashed Potato Cakes
Gather these items:
- 2 cups leftover mashed potatoes (Make sure they are at room temperature.)
- 1/2 cup grated cheese (cheddar recommended; feel free to substitute with other cheeses.)
- 1/4 cup chopped green onions
- 1/4 cup all-purpose flour (Substitute with gluten-free flour if needed.)
- 1 large egg (Can be substituted with a flaxseed meal mixture for vegan.)
- to taste Salt and pepper (Don’t forget to season!)
- as needed for frying Oil (Vegetable or canola oil is recommended.)
How to Make Leftover Mashed Potato Cakes Step-by-Step
- Step 1: Gather all your ingredients. Ensure your leftover mashed potatoes are at room temperature.
- Step 2: In a mixing bowl, combine leftover mashed potatoes with grated cheese, chopped green onions, flour, and an egg. Season with salt and pepper.
- Step 3: Mix the ingredients until they are evenly distributed but remain slightly chunky.
- Step 4: Form the mixture into small cakes, about 2-3 inches wide.
- Step 5: Heat oil in a large skillet over medium heat, enough to coat the bottom of the skillet.
- Step 6: Carefully place the formed cakes in the heated oil and fry for 3-4 minutes on each side until golden brown.
- Step 7: Remove the cakes from the skillet and drain on paper towels to absorb excess oil.
- Step 8: Serve hot, ideally with a side of sour cream, ranch dressing, or your favorite dipping sauce.
Pro Tips for the Best Leftover Mashed Potato Cakes
Keep these in mind:
- These cakes can be frozen before frying for later use.
- Experiment with different cheeses for varied flavors.
- Adjust seasonings to your preference.
- For extra flavor, add herbs like parsley or chives.
- Ensure the oil is hot enough before frying to achieve a crispy texture.
Best Ways to Serve Leftover Mashed Potato Cakes
These delicious cakes can be served in numerous ways:
- Top with a dollop of sour cream and sprinkle with fresh herbs for a refreshing contrast.
- Pair with a tangy dipping sauce like ranch or a spicy aioli for an extra kick.
- Serve alongside a fresh salad or steamed vegetables to create a balanced meal.
How to Store and Reheat Leftover Mashed Potato Cakes
If you have any leftover cakes, you can store them in the refrigerator for up to three days. To reheat, simply place them in a skillet over medium heat until warmed through and crispy again. Alternatively, you can microwave them, though they may lose some crispiness.
Frequently Asked Questions About Leftover Mashed Potato Cakes
What’s the secret to perfect Leftover Mashed Potato Cakes?
The secret lies in ensuring your mashed potatoes are at room temperature and not too wet. This helps the cakes hold their shape when frying and promotes that crispy texture everyone loves.
Can I make Leftover Mashed Potato Cakes ahead of time?
Yes, you can prepare the mixture and form the cakes ahead of time. Just refrigerate them until you’re ready to fry, or freeze them for later use. This is a great option for meal prepping!
How do I avoid common mistakes with Leftover Mashed Potato Cakes?
To avoid common pitfalls, ensure the oil is hot enough before frying and don’t overcrowd the skillet. This helps each cake cook evenly and become crispy.
Variations of Leftover Mashed Potato Cakes You Can Try
Feel free to switch up the flavors by trying these variations:
- Add herbs like thyme or rosemary for a fragrant touch.
- Incorporate cooked bacon or sausage for a meaty version.
- Substitute the flour with almond flour to make gluten-free mashed potato cakes.
- Mix in vegetables like spinach or grated carrots for added nutrition.

For more delicious recipes, check out our latest recipes or try making chocolate oatmeal bars for a sweet treat!
For more information on reducing food waste, you can read this article on reducing wasted food.
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Leftover Mashed Potato Cakes: 7 Crispy Comfort Delights
- Total Time: 30 minutes
- Yield: 4 servings 1x
- Diet: Vegetarian
Description
Transform your leftover mashed potatoes into deliciously crispy cakes with cheesy goodness and savory green onions. Perfect as an appetizer, side dish, or light meal.
Ingredients
- 2 cups leftover mashed potatoes (Make sure they are at room temperature.)
- 1/2 cup grated cheese (cheddar recommended) (Feel free to substitute with other cheeses.)
- 1/4 cup chopped green onions
- 1/4 cup all-purpose flour (Substitute with gluten-free flour if needed.)
- 1 large egg (Can be substituted with a flaxseed meal mixture for vegan.)
- to taste Salt and pepper (Don’t forget to season!)
- as needed for frying Oil (Vegetable or canola oil is recommended.)
Instructions
- Gather all your ingredients. Ensure your leftover mashed potatoes are at room temperature.
- In a mixing bowl, combine leftover mashed potatoes with grated cheese, chopped green onions, flour, and an egg. Season with salt and pepper.
- Mix the ingredients until they are evenly distributed but remain slightly chunky.
- Form the mixture into small cakes, about 2-3 inches wide.
- Heat oil in a large skillet over medium heat, enough to coat the bottom of the skillet.
- Carefully place the formed cakes in the heated oil and fry for 3-4 minutes on each side until golden brown.
- Remove the cakes from the skillet and drain on paper towels to absorb excess oil.
- Serve hot, ideally with a side of sour cream, ranch dressing, or your favorite dipping sauce.
Notes
- These cakes can be frozen before frying for later use.
- Experiment with different cheeses for varied flavors.
- Adjust seasonings to your preference.
- Prep Time: 10 minutes
- Cook Time: 20 minutes
- Category: Appetizer
- Method: Frying
- Cuisine: American
Nutrition
- Serving Size: 1 cake
- Calories: 150
- Sugar: 1 g
- Sodium: 200 mg
- Fat: 6 g
- Saturated Fat: 2 g
- Unsaturated Fat: 3 g
- Trans Fat: 0 g
- Carbohydrates: 20 g
- Fiber: 2 g
- Protein: 5 g
- Cholesterol: 30 mg
Keywords: Leftover Mashed Potato Cakes, Potato Cakes, Appetizer, Vegetarian