Spinach Balls with Mustard Dipping Sauce

Crispy on the outside and tender on the inside, these Spinach Balls with Mustard Dipping Sauce make an irresistible appetizer or party snack. Packed with cheesy, savory flavor and paired with a tangy mustard sauce, they’re perfect for holidays, potlucks, or anytime you want a crowd-pleasing bite.

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Ingredients

For the Spinach Balls:

• 2 (10 oz) packages frozen chopped spinach, thawed and drained well
• 2 cups Italian bread crumbs
• 1 cup grated Parmesan cheese
• ½ cup butter, melted
• 4 large eggs, lightly beaten
• Salt and black pepper, to taste

For the Mustard Sauce:

• ½ cup ground mustard (about one full large container from the spice aisle)
• ½ cup white vinegar
• ⅓ cup granulated sugar
• 1 large egg, beaten

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Instructions

Make the Spinach Balls

1. Preheat the oven:
   Set your oven to 350°F (175°C) and lightly grease a baking sheet or line it with parchment paper.
2. Prepare the mixture:
   In a large mixing bowl, combine the thawed and well-drained spinach, bread crumbs, Parmesan cheese, melted butter, eggs, salt, and pepper.
3. Mix thoroughly:
   Using clean hands (the best tool for this job!), mix everything until fully combined and the mixture holds together.
4. Form the balls:
   Roll the mixture into 1-inch balls and place them evenly spaced on the prepared baking sheet.
5. Bake:
   Bake for 15–20 minutes, or until the spinach balls are golden brown and firm to the touch.

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Make the Mustard Sauce

1. Combine ingredients:
   In a small saucepan, whisk together the ground mustard, vinegar, sugar, and beaten egg.
2. Cook the sauce:
   Place over medium heat and bring just to a boil, whisking constantly until the sauce thickens slightly.
3. Serve:
   Remove from heat. Serve warm or at room temperature alongside the spinach balls for dipping.

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Why You’ll Love This Recipe

• Crowd favorite: Perfect finger food for parties, game nights, or family gatherings.
• Easy to make: Simple ingredients and quick prep.
• Flavor-packed: A cheesy, buttery spinach mixture paired with a tangy mustard sauce.
• Make-ahead friendly: Spinach balls can be prepped or baked in advance.
• Vegetarian-friendly: A great option for guests avoiding meat.

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Tips

• Drain the spinach well: Excess moisture can make the mixture too soft to roll. Press out liquid with a clean kitchen towel or paper towels.
• Uniform size: Keep balls about 1 inch in diameter for even cooking.
• Don’t overbake: Remove once golden; overbaking can make them dry.
• Serve sauce warm: The mustard sauce thickens slightly as it cools—whisk before serving.
• Freeze for later: Freeze baked spinach balls in a single layer, then store in a bag for easy reheating.

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Variations and Substitutions

• Cheese options: Try shredded mozzarella, cheddar, or Asiago instead of Parmesan.
• Add herbs: Mix in fresh parsley, dill, or a pinch of nutmeg for flavor depth.
• Make it spicy: Add red pepper flakes or cayenne to the spinach mixture.
• Gluten-free version: Use gluten-free breadcrumbs.
• Alternate sauces: Serve with ranch, honey mustard, aioli, or a yogurt-based dip instead.

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FAQs

Can I make spinach balls ahead of time?
Yes! Prepare and refrigerate the uncooked balls for up to 24 hours before baking, or freeze them for up to 2 months.

Do I need to cook the spinach first?
No—frozen chopped spinach just needs to be thawed and well-drained before using.

Can I use fresh spinach?
Yes. Sauté 1 pound of fresh spinach until wilted, drain, chop finely, and squeeze out all excess moisture.

How do I store leftovers?
Keep leftovers in an airtight container in the refrigerator for up to 4 days. Reheat in the oven or air fryer for best texture.

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Serving and Suggestions

• Serve warm with the mustard sauce for dipping.
• Add to a party platter with cheese cubes, crackers, and veggies.
• Enjoy as a vegetarian side dish with roasted meats or fish.
• Pair with a crisp white wine or sparkling water with lemon for a light combo.
• Great addition to holiday buffets, potlucks, or appetizer nights.