Transform your holiday leftovers into golden, crispy perfection with these Leftover Mashed Potato Cheese Puffs. These bite-sized treats take humble mashed potatoes and elevate them into a savory, cheesy delight with a crunchy exterior and fluffy center. They’re perfect as an appetizer, snack, or a creative side dish that everyone will rave about.

Loaded with gooey melted cheese and a touch of herbs, these puffs are oven-baked until beautifully golden. Whether you’re working with plain or seasoned mashed potatoes, this recipe gives new life to your leftovers in the most delicious way possible.
Ingredients for this Leftover Mashed Potato Cheese Puffs
- 2 cups leftover mashed potatoes (cold and firm)
- 1 cup shredded cheddar cheese (or any cheese of choice)
- 1/4 cup grated Parmesan cheese
- 1 large egg
- 2 tablespoons chopped chives or green onions
- 1/4 teaspoon garlic powder
- Salt and pepper to taste
- 1/4 cup all-purpose flour (optional, if mixture needs thickening)
- Fresh parsley for garnish (optional)

Step 1: Preheat and Prepare
Preheat your oven to 400°F (200°C). Lightly grease a mini muffin tin or line it with paper liners for easier cleanup.
Step 2: Mix the Ingredients
In a large bowl, combine the mashed potatoes, shredded cheddar cheese, Parmesan cheese, egg, chopped chives, garlic powder, salt, and pepper. Mix well until all ingredients are fully incorporated. If the mixture feels too loose or wet, stir in a bit of flour until it holds together.
Step 3: Shape and Fill
Using a spoon or small cookie scoop, fill each muffin cup with the potato mixture, pressing gently to shape. You can slightly mound them for a puffier effect.
Step 4: Bake
Place the muffin tin in the oven and bake for 20 to 25 minutes, or until the tops are golden and crispy. Remove from oven and let them cool for a few minutes before removing.
Step 5: Garnish and Serve
Sprinkle freshly chopped parsley over the warm puffs for a touch of color and flavor. Serve immediately while the cheese is melty and irresistible.
Frequently Asked Questions
How do I prevent my cheese puffs from sticking to the pan?
Using a nonstick mini muffin tin or lining it with paper liners helps tremendously. You can also lightly grease the tin with cooking spray or butter.
Can I use instant mashed potatoes?
Yes, as long as the consistency is firm and not runny. They should hold their shape when mixed with the other ingredients.
Can I add other ingredients to the mix?
Absolutely. Cooked bacon bits, sautéed onions, or diced bell peppers all add great texture and flavor.
What cheese works best?
Cheddar is a classic choice, but you can experiment with mozzarella, Gouda, pepper jack, or a blend for added depth.
Are these gluten-free?
The base recipe is not gluten-free due to the optional flour, but you can substitute with gluten-free flour or omit if the mixture holds together well.
Can I make these ahead of time?
Yes! Prepare the mixture and fill the muffin tin, then refrigerate overnight and bake fresh the next day.

Leftover Mashed Potato Cheese Puffs
- Total Time: 35 minutes
- Yield: About 20 mini puffs
Description
Looking for a clever way to turn your holiday dinner extras into something mouthwatering? These Leftover Mashed Potato Cheese Puffs are the answer. With a crisp exterior and melty, cheesy center, they transform cold mashed potatoes into golden bites of comfort. Ideal for easy dinner appetizers, party snacks, or quick breakfast nibbles, this recipe makes leftover reinvention deliciously simple.
Perfectly seasoned with garlic, chives, and gooey cheese, these puffs are oven-baked for a lighter, crispier result. They’re crowd-pleasers and time-savers all in one, especially when you want no-fuss food ideas that are both satisfying and smart.
Ingredients
2 cups leftover mashed potatoes (cold and firm)
1 cup shredded cheddar cheese (or any cheese of choice)
1/4 cup grated Parmesan cheese
1 large egg
2 tablespoons chopped chives or green onions
1/4 teaspoon garlic powder
Salt and pepper to taste
1/4 cup all-purpose flour (optional)
Fresh parsley for garnish (optional)
Instructions
- Preheat oven to 400°F (200°C) and grease a mini muffin tin.
- In a bowl, mix mashed potatoes, cheeses, egg, chives, garlic powder, salt, and pepper.
- Add flour if the mixture feels too loose.
- Spoon mixture into muffin tin, gently mounding each.
- Bake 20–25 minutes, until golden and crispy.
- Cool slightly, garnish with parsley, and serve warm.
- Prep Time: 10 minutes
- Cook Time: 25 minutes
- Category: Appetizer