Leftover Mashed Potato Cheese Puffs

Turn Last Night’s Mashed Potatoes Into a Cheesy, Crispy Delight

Looking for a creative and delicious way to use up those leftover mashed potatoes? You’ve just discovered your new favorite snack or side dish: Leftover Mashed Potato Cheese Puffs! These golden, cheesy bites are crispy on the outside, fluffy and gooey on the inside, and best of all—they help reduce food waste in the tastiest way possible. Whether you’re preparing a quick snack for the family or a party appetizer that wows, these puffs have you covered.

Let’s dive into everything you need to know to make these magical little puffs, from ingredients and tools to expert tips and frequently asked questions. And if you haven’t already, get those leftover mashed potatoes out of the fridge—because you’ll want to make a batch today!

Tools, Serving Size, and Cook Time

Tools Needed:

  • Muffin tin (standard size)
  • Mixing bowls (1 large, 1 medium)
  • Spatula or mixing spoon
  • Cheese grater (if not using pre-shredded cheese)
  • Measuring cups and spoons
  • Oven

Servings:

Makes approximately 12 puffs, serving 4–6 people.

Cook Time:

  • Prep Time: 10 minutes
  • Cook Time: 20–25 minutes
  • Total Time: 30–35 minutes

Ingredients

  • 3 cups mashed potatoes (preferably cold, leftover)
  • 1 cup shredded cheese (cheddar, mozzarella, or your favorite melting cheese)
  • 1/4 cup all-purpose flour
  • 2 tablespoons Parmesan cheese
  • 2 tablespoons chopped fresh chives (or green onions)
  • 1/3 cup sour cream
  • Salt to taste
  • 2 eggs, beaten

Step-by-Step Instructions

Step 1: Preheat and Prep

Preheat your oven to 400°F (200°C). Grease a standard muffin tin with non-stick spray or lightly coat with oil to ensure easy removal of your cheese puffs after baking.

Step 2: Mix the Wet Ingredients

In a medium-sized mixing bowl, beat the eggs until smooth. Add the sour cream to the eggs and whisk until well combined. This mixture adds moisture and richness to the puffs.

Step 3: Add Flavorful Add-ins

To the egg and sour cream mixture, stir in the shredded cheese, Parmesan cheese, chopped chives, and a pinch of salt. Mix well until all the ingredients are evenly distributed. These elements provide flavor, texture, and that irresistible cheesy pull.

Step 4: Fold in the Mashed Potatoes

Gently fold the mashed potatoes into the cheese and egg mixture. Be careful not to overmix—just enough to evenly combine all the ingredients. The batter should be thick and scoopable.

Step 5: Fill the Muffin Tin

Using a spoon or cookie scoop, fill each muffin cup to the top with the mashed potato mixture. Press down gently to ensure the mixture is packed and smooth across the surface.

Step 6: Bake to Golden Perfection

Place the muffin tin in the preheated oven and bake for 20–25 minutes, or until the tops are puffed and golden brown. The exterior should be crisp and slightly browned.

Step 7: Cool and Serve

Once baked, remove the muffin tin from the oven and let the puffs cool for a few minutes before removing them from the tin. Serve warm for the best texture and flavor.

Tips for Perfect Mashed Potato Cheese Puffs

  • Use cold mashed potatoes: Cold leftovers hold their shape better and help the puffs set properly.
  • Grease the muffin tin well: This prevents sticking and ensures clean removal.
  • Experiment with cheeses: Sharp cheddar gives a bold flavor, while mozzarella melts beautifully. Mixing cheeses can elevate the flavor profile.
  • Don’t skip the chives: They add a fresh, oniony brightness that cuts through the richness.
  • Taste before adding salt: Some mashed potatoes and cheeses are already salted. Adjust seasoning accordingly.

Serving and Storage Tips

Serving Suggestions:

  • As a side dish for meatloaf, roast chicken, or grilled steaks.
  • As a party appetizer—serve with sour cream or a spicy aioli dip.
  • Perfect for breakfast or brunch alongside eggs and bacon.

Storage:

  • Store leftovers in an airtight container in the refrigerator for up to 3 days.
  • Reheat in a toaster oven or regular oven at 350°F for 10–12 minutes to regain crispiness.
  • These can also be frozen! Freeze after baking, then reheat from frozen in a 375°F oven for about 15 minutes.

Frequently Asked Questions (FAQ)

1. Can I make these with freshly made mashed potatoes?

Yes, but let them cool slightly before using. Cold mashed potatoes hold their shape better and make for firmer puffs.

2. Can I make these gluten-free?

Absolutely. Just substitute the all-purpose flour with a 1:1 gluten-free flour blend.

3. Can I make them without eggs?

Eggs help bind the ingredients and give structure. You could try an egg replacer or a “flax egg,” but results may vary slightly in texture.

4. What other mix-ins can I add?

Crumbled bacon, caramelized onions, diced jalapeños, or even leftover veggies like broccoli or peas can be added for variety.

5. Can I make them in a mini muffin tin?

Yes! Use a mini muffin tin for bite-sized snacks. Just reduce the baking time to 12–15 minutes and keep an eye on them.

Conclusion

Leftover Mashed Potato Cheese Puffs are one of those rare recipes that are both practical and indulgent. They take something as humble as leftover mashed potatoes and transform it into something truly irresistible. Whether you’re trying to cut down on food waste, planning an easy weeknight side, or whipping up a party platter that will be gone in minutes—this recipe is your go-to.

So go ahead, raid your fridge and get ready to experience the magic of crispy, cheesy comfort food in every bite. Don’t forget to bookmark this recipe and share it with fellow foodies who appreciate a clever kitchen hack. Enjoy every puff!

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