Transform leftover mashed potatoes into a crispy, cheesy treat with this easy recipe. Mashed potato cheese puffs are perfect as a snack, appetizer, or side dish. They are quick to prepare, use common ingredients, and offer a satisfying combination of creamy and crispy textures.
Ingredients
- 2 cups leftover mashed potatoes (cold or room temperature)
- 1 cup shredded cheese (cheddar, mozzarella, or a mix)
- 1/2 cup all-purpose flour
- 1 egg, beaten
- 1/4 tsp salt
- 1/4 tsp black pepper
- Optional: herbs and spices like chives, paprika, or garlic powder

Step-by-Step Instructions
Step 1: Preheat and Prepare
- Preheat your oven to 375°F (190°C).
- Line a baking sheet with parchment paper or a silicone baking mat.
Step 2: Mix Ingredients
- In a large bowl, combine leftover mashed potatoes, shredded cheese, and flour.
- Add salt, pepper, and optional herbs or spices for extra flavor.
- Mix until a dough-like consistency forms.
Step 3: Shape the Puffs
- Scoop small portions of the mixture and roll into bite-sized balls.
- Place them evenly spaced on the prepared baking sheet.
- Optional: Brush lightly with beaten egg for a golden crust.
Step 4: Bake
- Bake for 20–25 minutes until the puffs are golden brown and crispy on the outside.
- Check for melted cheese inside for a gooey, delicious center.
Step 5: Serve
- Serve hot, straight from the oven.
- Pair with dipping sauces like ketchup, sour cream, or spicy aioli.
- Perfect for family gatherings, snack time, or as a side for main meals.
Tips for Perfect Mashed Potato Cheese Puffs
- Cold Mashed Potatoes: Using chilled mashed potatoes helps maintain the shape during baking.
- Cheese Choice: Mix cheeses for flavor depth; cheddar adds sharpness, mozzarella adds stretchiness.
- Even Sizing: Keep puffs uniform in size for consistent baking.
- Crispy Texture: Brush with egg or lightly spray with oil for a golden, crispy exterior.
- Flavor Variations: Add cooked bacon bits, green onions, or herbs for extra flavor.
FAQ
Can I freeze the puffs?
Yes, shape and freeze uncooked puffs on a tray. Transfer to a freezer bag. Bake directly from frozen with a few extra minutes.
Can I make them vegan or dairy-free?
Yes, substitute cheese with plant-based alternatives and use a flax egg instead of a regular egg.
How long do they last?
Store in an airtight container in the fridge for 2–3 days. Reheat in the oven to maintain crispiness.
Can I use instant mashed potatoes?
Yes, but adjust the flour to achieve a dough-like consistency.
What sauces pair best?
Ketchup, garlic aioli, ranch, or spicy sriracha mayo complement the cheesy puffs beautifully.